Bump step-security/harden-runner from 2.14.2 to 2.15.1

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.14.2 to 2.15.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@v2.14.2...v2.15.1)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.15.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/python-ci.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -95,7 +95,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -137,7 +137,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -156,7 +156,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -190,7 +190,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -234,7 +234,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -264,7 +264,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit
 
@@ -288,7 +288,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@v2.14.2
+        uses: step-security/harden-runner@v2.15.1
         with:
           egress-policy: audit