Bump ramsey/composer-install from 1 to 2 (#10)

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

Author: dependabot[bot]

.github/workflows/static-analysis.yaml

@@ -30,5 +30,5 @@ jobs:
         with:
           php-version: 7.4
       - name: Install dependencies
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
       - run: ${{ matrix.script }}

.github/workflows/tests.yaml

@@ -50,7 +50,7 @@ jobs:
         run: composer require --dev "symfony/symfony:${{ matrix.symfony }}" --no-update
         if: matrix.symfony
       - name: Install dependencies
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
       - name: Run tests