Bump ramsey/composer-install from 2 to 3 (#732)

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

Author: dependabot[bot]

.github/workflows/php.yml

@@ -29,7 +29,7 @@ jobs:
           tools: composer:v2
           extensions: dom, curl, libxml, mbstring, zip, pdo, mysql, pdo_mysql, gd
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
       - name: "PHPCS"
         run: "php vendor/bin/phpcs"
       - name: "PHPStan"
@@ -77,7 +77,7 @@ jobs:
       - name: "Add phpspec/prophecy-phpunit"
         run: "composer require phpspec/prophecy-phpunit:^2 --dev --no-update"
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
       - name: "PHPUnit"
         run: "php vendor/bin/phpunit"
 
@@ -256,7 +256,7 @@ jobs:
          composer config repositories.1 path $GITHUB_WORKSPACE
 
       - name: "Install Drupal core dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           working-directory: "${{ runner.temp }}/drupal"
       - name: "require phpstan-drupal"