Bump step-security/harden-runner from 2.20.1 to 2.21.1

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.20.1 to 2.21.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@b09bb98...e14015d)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
+      - uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
         with:
           egress-policy: block
           allowed-endpoints: >

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
         with:
           egress-policy: audit
 

.github/workflows/zizmor.yaml

@@ -30,7 +30,7 @@ jobs:
       contents: read # Clone the repository
       security-events: write # Upload SARIF results to Code Scanning
     steps:
-      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
+      - uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
         with:
           egress-policy: block
           allowed-endpoints: >