build(deps): Bump ramsey/composer-install from 2 to 3 (#19)

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

.github/workflows/test.yaml

@@ -27,6 +27,6 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           ini-values: assert.exception=1, zend.assertions=1
-      - uses: ramsey/composer-install@v2
+      - uses: ramsey/composer-install@v3
       - name: PHPUnit
         run: vendor/bin/phpunit