Bump github/codeql-action from 2.20.3 to 2.21.0 (#161)

Bumps [github/codeql-action](https://github.com/github/codeql-action) from 2.20.3 to 2.21.0.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](github/codeql-action@46ed16d...1813ca7)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -53,7 +53,7 @@ jobs:
         gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase
     - name: Initialize CodeQL
       if: github.event_name == 'push'
-      uses: github/codeql-action/init@46ed16ded91731b2df79a2893d3aea8e9f03b5c4
+      uses: github/codeql-action/init@1813ca74c3faaa3a2da2070b9b8a0b3e7373a0d8
       with:
         languages: java
     # -------------------------
@@ -73,7 +73,7 @@ jobs:
         MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
     - name: Perform CodeQL Analysis
       if: github.event_name == 'push'
-      uses: github/codeql-action/analyze@46ed16ded91731b2df79a2893d3aea8e9f03b5c4
+      uses: github/codeql-action/analyze@1813ca74c3faaa3a2da2070b9b8a0b3e7373a0d8
     - name: Test Website
       run: |
         # this needs to be run as a second build to ensure source is fully generated by the previous step