Bump ramsey/composer-install from 2 to 3

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

---
updated-dependencies:
- dependency-name: ramsey/composer-install
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
         coverage: pcov
 
     - name: Composer install
-      uses: ramsey/composer-install@v2
+      uses: ramsey/composer-install@v3
       with:
         dependency-versions: ${{ matrix.dependencies }}
         composer-options: ${{ matrix.composer-options }}