Bump step-security/harden-runner in the actions-updates group

Bumps the actions-updates group with 1 update: [step-security/harden-runner](https://github.com/step-security/harden-runner).


Updates `step-security/harden-runner` from 2.14.2 to 2.15.0
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@5ef0c07...a90bcbc)

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

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

Author: dependabot[bot]

.github/workflows/ci-actions.yaml

@@ -19,7 +19,7 @@ jobs:
       actions: read          # Needed to read actions
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit
 

.github/workflows/ci-code.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: harden runner
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit
 
@@ -42,7 +42,7 @@ jobs:
     name: 'Full build linux-${{ matrix.arch }}'
     steps:
       - name: harden runner
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit
 
@@ -69,7 +69,7 @@ jobs:
     name: 'Full clippy linux-${{ matrix.arch }}'
     steps:
       - name: harden runner
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit
 

.github/workflows/release-image.yaml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: harden runner
-        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
+        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
         with:
           egress-policy: audit