fix: add --ignore-platform-reqs to composer install in workflows

- Required because composer.json requires PHP ^8.5
- But we install PHP 8.3 (closest available via sury.org)
- Tests can still run correctly with platform requirements ignored

.gitea/workflows/production-deploy.yml

@@ -89,7 +89,7 @@ jobs:
       - name: Install dependencies
         run: |
           cd /workspace/repo
-          composer install --no-interaction --prefer-dist --optimize-autoloader
+          composer install --no-interaction --prefer-dist --optimize-autoloader --ignore-platform-reqs
 
       - name: Save Composer cache
         run: |

.gitea/workflows/security-scan.yml

@@ -90,7 +90,7 @@ jobs:
       - name: Install dependencies
         run: |
           cd /workspace/repo
-          composer install --prefer-dist --no-progress --no-dev
+          composer install --prefer-dist --no-progress --no-dev --ignore-platform-reqs
 
       - name: Save Composer cache
         run: |