build: Add java 19 workflow

Change-Id: Iecc155f044b26a69e1988308403cafabb55c19dc

.github/workflows/java19.yml

@@ -0,0 +1,21 @@
+name: Integration Tests on Java 19
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 19
+        uses: actions/setup-java@v3
+        with:
+          java-version: 19
+          distribution: 'temurin'
+      - name: Build with Maven
+        run: mvn --batch-mode --update-snapshots install -Prun-its

.gitignore

@@ -10,5 +10,7 @@ target
 !.gitattributes
 !.gitkeep
 
+!.github
+
 # and iDEA
 *.iml