build(deps): bump actions/cache from 5 to 6

Bumps [actions/cache](https://github.com/actions/cache) from 5 to 6.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/docker-build-push.yml

@@ -39,7 +39,7 @@ jobs:
           native-image-musl: 'true'
 
       - name: 'Cache Maven packages'
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/early-access.yml

@@ -58,7 +58,7 @@ jobs:
           java-version: ${{ env.JAVA_VERSION }}
 
       - name: 'Cache Maven packages'
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/maven-build.yml

@@ -41,7 +41,7 @@ jobs:
         cache: maven
 
     - name: Cache SonarCloud packages
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ~/.sonar/cache
         key: ${{ runner.os }}-sonar
@@ -158,7 +158,7 @@ jobs:
         github-token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: 'Cache Maven packages'
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/release.yml

@@ -124,7 +124,7 @@ jobs:
           java-version: ${{ env.JAVA_VERSION }}
 
       - name: 'Cache Maven packages'
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}