Bump ramsey/composer-install from 3 to 4

Bumps [ramsey/composer-install](https://github.com/ramsey/composer-install) from 3 to 4.
- [Release notes](https://github.com/ramsey/composer-install/releases)
- [Commits](ramsey/composer-install@v3...v4)

---
updated-dependencies:
- dependency-name: ramsey/composer-install
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
                   coverage: none
 
             - name: Install Composer Dependencies
-              uses: ramsey/composer-install@v3
+              uses: ramsey/composer-install@v4
 
             - name: Run phpunit
               run: vendor/bin/phpunit --verbose
@@ -43,7 +43,7 @@ jobs:
                   coverage: none
 
             - name: Install Composer Dependencies
-              uses: ramsey/composer-install@v3
+              uses: ramsey/composer-install@v4
 
             - name: Run phpstan
               run: vendor/bin/phpstan analyse --no-progress