chore(deps): Bump step-security/harden-runner from 2.12.0 to 2.15.0

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.12.0 to 2.15.0.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@0634a26...a90bcbc)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b
         with:
           egress-policy: audit
 
@@ -78,7 +78,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b
         with:
           egress-policy: audit
 
@@ -111,7 +111,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b
         with:
           egress-policy: audit
 

.github/workflows/scorecards-analysis.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b
         with:
           egress-policy: audit