Bump the actions group across 1 directory with 2 updates

Bumps the actions group with 2 updates in the / directory: [actions/github-script](https://github.com/actions/github-script) and [ramsey/composer-install](https://github.com/ramsey/composer-install).


Updates `actions/github-script` from 8 to 9
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v8...v9)

Updates `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: actions/github-script
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: ramsey/composer-install
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/gemini-issue-assistant.yml

@@ -322,7 +322,7 @@ jobs:
           echo "📊 Final response size: $(wc -c < formatted_response.txt) characters"
 
       - name: Comment on Issue
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');

.github/workflows/wp-compatibility-test.yml

@@ -131,7 +131,7 @@ jobs:
           tools: composer:v2, phpcs
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -186,7 +186,7 @@ jobs:
           tools: composer:v2, phpcs
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -395,7 +395,7 @@ jobs:
           tools: composer:v2
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -460,7 +460,7 @@ jobs:
           tools: composer:v2
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -620,7 +620,7 @@ jobs:
         run: composer config --unset platform.php
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"