build(deps): bump the actions group across 1 directory with 3 updates

Bumps the actions group with 3 updates in the / directory: [step-security/harden-runner](https://github.com/step-security/harden-runner), [step-security/action-slack-notify](https://github.com/step-security/action-slack-notify) and [zizmorcore/zizmor-action](https://github.com/zizmorcore/zizmor-action).


Updates `step-security/harden-runner` from 2.19.0 to 2.20.0
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@8d3c67d...bf7454d)

Updates `step-security/action-slack-notify` from 2.3.5 to 2.4.0
- [Release notes](https://github.com/step-security/action-slack-notify/releases)
- [Commits](step-security/action-slack-notify@e04c77a...e4cdee1)

Updates `zizmorcore/zizmor-action` from 0.5.3 to 0.6.0
- [Release notes](https://github.com/zizmorcore/zizmor-action/releases)
- [Commits](zizmorcore/zizmor-action@b1d7e1f...6599ee8)

---
updated-dependencies:
- dependency-name: step-security/action-slack-notify
  dependency-version: 2.3.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: step-security/harden-runner
  dependency-version: 2.19.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: zizmorcore/zizmor-action
  dependency-version: 0.5.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/actionlint.yaml

@@ -24,7 +24,7 @@ jobs:
     name: Action lint
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      - uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: block
           allowed-endpoints: >

.github/workflows/ghaudit.yaml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Harden the runner (Audit all outbound calls)
-      uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
       with:
         egress-policy: audit
 
@@ -44,7 +44,7 @@ jobs:
         packages: ghaudit
         command: ghaudit org -o ${{ github.repository_owner }} default-permissions
 
-    - uses: step-security/action-slack-notify@e04c77a65bae8b6c0373478a1cb8fd7e012637e6 # v2.3.5
+    - uses: step-security/action-slack-notify@e4cdee14a905d9da46ba47ad9309704407d8cd79 # v2.4.0
       if: ${{ failure() }}
       env:
         SLACK_ICON: http://github.com/chainguard-dev.png?size=48

.github/workflows/zizmor.yaml

@@ -26,7 +26,7 @@ jobs:
       contents: read # Clone the repository
       security-events: write # Upload SARIF results to Code Scanning
     steps:
-      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      - uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
         with:
           egress-policy: block
           allowed-endpoints: >
@@ -41,4 +41,4 @@ jobs:
           persist-credentials: false
 
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@b1d7e1fb5de872772f31590499237e7cce841e8e # v0.5.3
+        uses: zizmorcore/zizmor-action@6599ee8b7a49aef6a770f63d261d214911a7ce02 # v0.6.0