[Dependabot] Bump actions/cache from 5 to 6 (#1600)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
               run: composer config --global --list
 
             - name: Cache dependencies installed with composer
-              uses: actions/cache@v5
+              uses: actions/cache@v6
               with:
                   path: ~/.cache/composer
                   key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
@@ -77,7 +77,7 @@ jobs:
               run: composer config --global --list
 
             - name: Cache dependencies installed with composer
-              uses: actions/cache@v5
+              uses: actions/cache@v6
               with:
                   path: ~/.cache/composer
                   key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
@@ -127,7 +127,7 @@ jobs:
               run: composer config --global --list
 
             - name: Cache dependencies installed with composer
-              uses: actions/cache@v5
+              uses: actions/cache@v6
               with:
                   path: ~/.cache/composer
                   key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}

.github/workflows/codecoverage.yml

@@ -39,7 +39,7 @@ jobs:
               run: composer config --global --list
 
             - name: Cache dependencies installed with composer
-              uses: actions/cache@v5
+              uses: actions/cache@v6
               with:
                   path: ~/.cache/composer
                   key: php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}