Bump step-security/harden-runner from 1.5.0 to 2.1.0

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 1.5.0 to 2.1.0.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@2e205a2...18bf8ad)

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

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

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     continue-on-error: ${{ matrix.os == 'macos-latest' || matrix.java-version == '9' || matrix.java-version == '10' || matrix.java-version == '12' || matrix.java-version == '13' || matrix.java-version == '14' || matrix.java-version == '15' || matrix.java-version == '16' }}
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@2e205a28d0e1da00c5f53b161f4067b052c61f34 # v1
+        uses: step-security/harden-runner@18bf8ad2ca49c14cbb28b91346d626ccfb00c518 # v1
         with:
           egress-policy: audit
 
@@ -48,7 +48,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@2e205a28d0e1da00c5f53b161f4067b052c61f34 # v1
+        uses: step-security/harden-runner@18bf8ad2ca49c14cbb28b91346d626ccfb00c518 # v1
         with:
           egress-policy: audit
 

.github/workflows/codeql-analysis.yml

@@ -49,7 +49,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@2e205a28d0e1da00c5f53b161f4067b052c61f34 # v1
+        uses: step-security/harden-runner@18bf8ad2ca49c14cbb28b91346d626ccfb00c518 # v1
         with:
           egress-policy: audit