Bump actions/cache from 2.1.6 to 3.0.8

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.6 to 3.0.8.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2.1.6...v3.0.8)

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

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

.github/workflows/main.yml

@@ -91,14 +91,14 @@ jobs:
           source <(curl -sL https://github.com/aem-design/aemdesign-docker/releases/latest/download/setup-gpg.sh)
 
       - name: Cache sonarcloud packages
-        uses: actions/cache@v2.1.6
+        uses: actions/cache@v3.0.8
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
 
       - name: Cache maven packages
-        uses: actions/cache@v2.1.6
+        uses: actions/cache@v3.0.8
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}