ci(deps): bump step-security/harden-runner from 2.19.0 to 2.19.1 (#453)

Bumps
[step-security/harden-runner](https://github.com/step-security/harden-runner)
from 2.19.0 to 2.19.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/step-security/harden-runner/releases">step-security/harden-runner's
releases</a>.</em></p>
<blockquote>
<h2>v2.19.1</h2>
<h2>What's Changed</h2>
<ul>
<li>fix: detect ubuntu-slim runners early and bail out by <a
href="https://github.com/devantler"><code>@​devantler</code></a> in <a
href="https://redirect.github.com/step-security/harden-runner/pull/657">step-security/harden-runner#657</a></li>
</ul>
<p>What the fix changes</p>
<ul>
<li>Harden-Runner will detect <code>ubuntu-slim</code> runners and exit
cleanly with an informational log message, instead of post harden runner
step failing on chown: invalid user: 'undefined'.</li>
</ul>
<p>What the fix does not do</p>
<ul>
<li>Jobs running on <code>ubuntu-slim</code> will not be monitored by
Harden-Runner. The agent relies on kernel-level features (that require
elevated capabilities).</li>
<li>Per GitHub's docs on <a
href="https://docs.github.com/en/actions/reference/runners/github-hosted-runners#single-cpu-runners">single-CPU
runners</a>: &quot;The container for ubuntu-slim runners runs in
unprivileged mode. This means that some operations requiring elevated
privileges such as mounting file systems, using Docker-in-Docker, or
accessing low-level kernel features are not supported.&quot; Those
low-level kernel features are what the agent needs, so monitoring inside
the unprivileged container is not feasible today.</li>
</ul>
<p>For StepSecurity enterprise customers
If your security posture requires that workflows are always monitored,
you can block the use of <code>ubuntu-slim</code> via workflow run
policies see the <a
href="https://docs.stepsecurity.io/workflow-run-policies/policies#runner-label-policy">Runner
Label Policy</a> docs. This lets you enforce that jobs only run on
monitored runner types.</p>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/devantler"><code>@​devantler</code></a>
made their first contribution in <a
href="https://redirect.github.com/step-security/harden-runner/pull/657">step-security/harden-runner#657</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/step-security/harden-runner/compare/v2.19.0...v2.19.1">https://github.com/step-security/harden-runner/compare/v2.19.0...v2.19.1</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/step-security/harden-runner/commit/a5ad31d6a139d249332a2605b85202e8c0b78450"><code>a5ad31d</code></a>
Merge pull request <a
href="https://redirect.github.com/step-security/harden-runner/issues/657">#657</a>
from devantler/fix/ubuntu-slim-user-env</li>
<li><a
href="https://github.com/step-security/harden-runner/commit/6e928567d74554b8842dd434908da31c593ba85c"><code>6e92856</code></a>
build dist and trim ubuntu-slim message</li>
<li><a
href="https://github.com/step-security/harden-runner/commit/4e0504ee086374bdec7064e5c26d48af41ba6209"><code>4e0504e</code></a>
Merge branch 'main' into fix/ubuntu-slim-user-env</li>
<li><a
href="https://github.com/step-security/harden-runner/commit/376d25a97f3a1640ff8cbbddaa4af25948df2cf3"><code>376d25a</code></a>
fix: detect ubuntu-slim runners early and bail out</li>
<li>See full diff in <a
href="https://github.com/step-security/harden-runner/compare/8d3c67de8e2fe68ef647c8db1e6a09f647780f40...a5ad31d6a139d249332a2605b85202e8c0b78450">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/reusable-add-to-project.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-build-docs-with-python.yml

@@ -25,7 +25,7 @@ jobs:
         QUARTO_PYTHON: ".venv/bin/python3"
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-build-docs.yml

@@ -28,7 +28,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-check-python.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-dependency-review.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-release-project.yml

@@ -33,7 +33,7 @@ jobs:
       current_version: ${{ steps.version-var.outputs.current_version }}
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-scorecards.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-sync-files.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit
 

.github/workflows/reusable-test-copier.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit