Bump actions/cache from 3.2.5 to 3.2.6 (#1664)

Bumps [actions/cache](https://github.com/actions/cache) from 3.2.5 to 3.2.6.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@6998d13...69d9d44)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/workflow-generate-website-reference.yml

@@ -94,7 +94,7 @@ jobs:
         mvn dependency:copy-dependencies -DoutputDirectory="${JAVA_CLASSPATH}"
     # Install Hugo
     - name: Store Hugo Executable in Cache
-      uses: actions/cache@6998d139ddd3e68c71e9e398d8e40b71a2f39812
+      uses: actions/cache@69d9d449aced6a2ede0bc19182fadc3a0a42d2b0
       with:
         path: /home/runner/go/bin/hugo
         key: ${{ runner.os }}-hugo-${{ hashFiles(format('{0}/build/go.sum', env.BRANCH_PATH)) }}

.github/workflows/workflow-generate-website.yml

@@ -104,7 +104,7 @@ jobs:
         retention-days: 5
     # Install Hugo
     - name: Store Hugo Executable in Cache
-      uses: actions/cache@6998d139ddd3e68c71e9e398d8e40b71a2f39812
+      uses: actions/cache@69d9d449aced6a2ede0bc19182fadc3a0a42d2b0
       with:
         path: /home/runner/go/bin/hugo
         key: ${{ runner.os }}-hugo-${{ hashFiles(format('{0}/go.sum', env.BUILD_PATH)) }}