Bump the actions group with 2 updates

Bumps the actions group with 2 updates: [ramsey/composer-install](https://github.com/ramsey/composer-install) and [actions/github-script](https://github.com/actions/github-script).


Updates `ramsey/composer-install` from 2 to 3
- [Release notes](https://github.com/ramsey/composer-install/releases)
- [Commits](ramsey/composer-install@v2...v3)

Updates `actions/github-script` from 6 to 7
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...v7)

---
updated-dependencies:
- dependency-name: ramsey/composer-install
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/github-script
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/phpunit.yml

@@ -72,7 +72,7 @@ jobs:
         run: composer config --unset platform.php
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v2
+        uses: ramsey/composer-install@v3
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -99,7 +99,7 @@ jobs:
 
       - name: Add labels to any PRs
         if: github.event_name == 'pull_request'
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |