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/continuous-integration.yml

@@ -57,7 +57,7 @@ jobs:
         if: "${{ matrix.stability == 'dev' }}"
 
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
           composer-options: "--prefer-dist"