GH Actions: 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] <support@github.com>

.github/workflows/csqa.yml

@@ -42,7 +42,7 @@ jobs:
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           # Bust the cache at least once a month - output format: YYYY-MM.
           custom-cache-suffix: $(date -u "+%Y-%m")
@@ -93,7 +93,7 @@ jobs:
       # Dependencies need to be installed to make sure the PHPUnit classes are recognized.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           # Bust the cache at least once a month - output format: YYYY-MM.
           custom-cache-suffix: $(date -u "+%Y-%m")

.github/workflows/test.yml

@@ -98,15 +98,15 @@ jobs:
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies - normal
         if: ${{ matrix.php != '8.4' }}
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           # Bust the cache at least once a month - output format: YYYY-MM.
           custom-cache-suffix: $(date -u "+%Y-%m")
 
       # For the PHP "nightly", we need to install with ignore platform reqs as not all dependencies allow it yet.
       - name: Install Composer dependencies - with ignore platform
         if: ${{ matrix.php == '8.4' }}
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           composer-options: --ignore-platform-req=php
           custom-cache-suffix: $(date -u "+%Y-%m")
@@ -166,7 +166,7 @@ jobs:
           composer require --no-update squizlabs/php_codesniffer:"${{ matrix.phpcs_version }}"
 
       - name: Install Composer dependencies
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           # Bust the cache at least once a month - output format: YYYY-MM.
           custom-cache-suffix: $(date -u "+%Y-%m")