chore(deps): bump ramsey/composer-install from 3 to 4 (#268)

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

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -22,7 +22,7 @@ jobs:
           coverage: "none"
 
       - name: Install Composer
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: Generate Documentation
         run: make docs

.github/workflows/pipeline.yaml

@@ -42,7 +42,7 @@ jobs:
           coverage: "none"
 
       - name: Install Composer
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -67,7 +67,7 @@ jobs:
           node-version: '22'
 
       - name: Install Composer
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: Tests
         run: vendor/bin/phpunit --testsuite=inspector
@@ -84,7 +84,7 @@ jobs:
           node-version: '22'
 
       - name: Install Composer
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: Start conformance server
         run: |
@@ -138,7 +138,7 @@ jobs:
         run: composer validate --strict
 
       - name: Install Composer
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: Code Style PHP
         run: vendor/bin/php-cs-fixer fix --dry-run