Bump actions/cache from 4 to 5 (#13)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  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/checks.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           php-version: '8.3'
           extensions: soap
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('composer.json') }}
@@ -32,7 +32,7 @@ jobs:
         with:
           php-version: '8.3'
           extensions: soap
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('composer.json') }}
@@ -49,7 +49,7 @@ jobs:
         with:
           php-version: '8.3'
           extensions: soap
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('composer.json') }}
@@ -66,7 +66,7 @@ jobs:
         with:
           php-version: '8.3'
           extensions: soap
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('composer.json') }}
@@ -87,7 +87,7 @@ jobs:
           php-version: ${{ matrix.php }}
           extensions: soap, pcov
           coverage: pcov
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-php${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
@@ -115,7 +115,7 @@ jobs:
         with:
           php-version: '8.3'
           extensions: soap
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: vendor
           key: ${{ runner.os }}-php8.3-composer-${{ hashFiles('composer.json') }}