github-actions(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/integrate.yaml

@@ -40,7 +40,7 @@ jobs:
         run: "echo \"COMPOSER_CACHE_DIR=$(composer config cache-dir)\" >> $GITHUB_ENV"
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v5"
+        uses: "actions/cache@v6"
         with:
           path: "${{ env.COMPOSER_CACHE_DIR }}"
           key: "php-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}"
@@ -85,7 +85,7 @@ jobs:
         run: "echo \"COMPOSER_CACHE_DIR=$(composer config cache-dir)\" >> $GITHUB_ENV"
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v5"
+        uses: "actions/cache@v6"
         with:
           path: "${{ env.COMPOSER_CACHE_DIR }}"
           key: "php-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}"
@@ -138,7 +138,7 @@ jobs:
         run: "echo \"COMPOSER_CACHE_DIR=$(composer config cache-dir)\" >> $GITHUB_ENV"
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v5"
+        uses: "actions/cache@v6"
         with:
           path: "${{ env.COMPOSER_CACHE_DIR }}"
           key: "php-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}"
@@ -184,7 +184,7 @@ jobs:
         run: "echo \"COMPOSER_CACHE_DIR=$(composer config cache-dir)\" >> $GITHUB_ENV"
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v5"
+        uses: "actions/cache@v6"
         with:
           path: "${{ env.COMPOSER_CACHE_DIR }}"
           key: "php-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}"

.github/workflows/preview-tests.yml

@@ -62,7 +62,7 @@ jobs:
         run: "echo \"COMPOSER_CACHE_DIR=$(composer config cache-dir)\" >> $GITHUB_ENV"
 
       - name: "Cache dependencies installed with composer"
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: "${{ env.COMPOSER_CACHE_DIR }}"
           key: "php-${{ matrix.php-version }}-composer-${{ hashFiles('composer.lock') }}"