ci: update github workflows for Vaadin 23 branch

.github/workflows/vaadin-23.yml

@@ -0,0 +1,30 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ "v23" ]
+  pull_request:
+    branches: [ "v23" ]
+
+jobs:
+
+  build-vaadin23:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build (Vaadin 23)
+      run: mvn -B package --file pom.xml

.github/workflows/maven.yml → .github/workflows/vaadin-24.yml

@@ -15,19 +15,6 @@ on:
     branches: [ "master" ]
 
 jobs:
-
-  build-vaadin23:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK
-      uses: actions/setup-java@v3
-      with:
-        java-version: '11'
-        distribution: 'temurin'
-        cache: maven
-    - name: Build (Vaadin 23)
-      run: mvn -B package --file pom.xml
 
   build-vaadin24:
     runs-on: ubuntu-latest
@@ -40,4 +27,4 @@ jobs:
         distribution: 'temurin'
         cache: maven
     - name: Build (Vaadin 24)
-      run: mvn -B package --file pom.xml -Pv24
+      run: mvn -B package --file pom.xml

.gitignore

@@ -16,3 +16,4 @@ types.d.ts
 /frontend/generated/index.ts
 /frontend/generated/vaadin.ts
 /frontend/index.html
+/frontend/generated