Update Maven to 3.9.12

Author: akurtakov

.github/workflows/copilot-setup-steps.yml

@@ -25,8 +25,8 @@ jobs:
           distribution: 'temurin'
           cache: 'maven'
 
-      - name: Set up Maven 3.9.11
+      - name: Set up Maven 3.9.12
         uses: stCarolas/setup-maven@v5
         with:
-          maven-version: '3.9.11'
+          maven-version: '3.9.12'
 

AGENTS.md

@@ -9,7 +9,7 @@ This includes JFace, workbench, commands framework, data binding, dialogs, edito
 
 **Key Facts:**
 - **Language:** Java 21
-- **Build System:** Maven 3.9.11 with Tycho (OSGi/Eclipse plugin build)
+- **Build System:** Maven 3.9.12 with Tycho (OSGi/Eclipse plugin build)
 - **Architecture:** OSGi bundles, E4 application model
 
 ## Project Structure