Add copilot/** branch triggers to GitHub Actions workflows

Enables CI/CD automation for branches prefixed with copilot/, ensuring they receive the same build, test, and quality analysis as feature/** branches.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: bedaHovorka

.github/workflows/gradle-java21.yml

@@ -2,7 +2,7 @@ name: Gradle Build with Kotlin 2.0 and Java 21
 
 on:
   push:
-    branches: [ main, develop, 'feature/**', 'fix/**' ]
+    branches: [ main, develop, 'feature/**', 'fix/**', 'copilot/**' ]
   pull_request:
     branches: [ main, develop ]
   workflow_dispatch:  # Allow manual trigger

.github/workflows/sonarqube.yml

@@ -2,7 +2,7 @@ name: SonarQube Analysis
 
 on:
   push:
-    branches: [ main, develop, 'feature/**', 'fix/**' ]
+    branches: [ main, develop, 'feature/**', 'fix/**', 'copilot/**' ]
   pull_request:
     branches: [ main, develop ]
   workflow_dispatch:  # Allow manual trigger