GitHub Actions upgrades and improvements (#470)

* Use Maven 3.9.9
* Use Ubuntu 24.04
* Verify there are no changed files

Signed-off-by: Wouter Born <github@maindrain.net>

Author: wborn

.github/workflows/ci-build.yml

@@ -19,8 +19,8 @@ jobs:
       fail-fast: false
       matrix:
         java: [ '11' ]
-        maven: [ '3.9.6' ]
-        os: [ 'ubuntu-22.04' ]
+        maven: [ '3.9.9' ]
+        os: [ 'ubuntu-24.04' ]
     name: Build (Java ${{ matrix.java }}, ${{ matrix.os }})
     runs-on: ${{ matrix.os }}
     steps:
@@ -78,3 +78,15 @@ jobs:
         with:
           name: sat-summary-report
           path: target/summary_report.html
+
+      - name: Verify Changed Files
+        uses: tj-actions/verify-changed-files@v20
+        id: verify-changed-files
+
+      - name: Fail on Changed Files
+        if: steps.verify-changed-files.outputs.changed_files != ''
+        env:
+          CHANGED_FILES: ${{ steps.verify-changed-files.outputs.changed_files }}
+        run: |
+          echo "::error::Files have changed: $CHANGED_FILES"
+          exit 1

.gitignore

@@ -1,4 +1,5 @@
 *.class
+*.log
 target/
 
 # Mobile Tools for Java (J2ME)