Bump ramsey/composer-install from 1 to 2

Bumps [ramsey/composer-install](https://github.com/ramsey/composer-install) from 1 to 2.
- [Release notes](https://github.com/ramsey/composer-install/releases)
- [Commits](ramsey/composer-install@v1...v2)

---
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>

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
       - name: "Validate composer.json and composer.lock"
         run: "composer validate --strict --no-interaction --ansi"
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
       - name: "Install specific Symfony version"
         run: "composer --no-update require symfony/symfony:^${{ matrix.symfony-version }}"
       - name: "Run tests"
@@ -56,7 +56,7 @@ jobs:
           php-version: "8.0"
           coverage: "none"
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
       - name: "Check coding standards"
         run: "make php-cs-fixer-ci"
       - name: Create Pull Request
@@ -82,6 +82,6 @@ jobs:
           php-version: "8.0"
           coverage: "none"
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
       - name: "Run PHPStan"
         run: "make phpstan"