build: use JDK 23 to build FXGL 25 snapshot

Author: AlmasB

.github/workflows/deploy_SNAPSHOT.yml

@@ -12,11 +12,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up JDK 21
+    - name: Set up JDK 23
       uses: actions/setup-java@v3
       with:
         distribution: 'temurin'
-        java-version: 21
+        java-version: 23
         server-id: ossrh
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD

.github/workflows/latest_jdk.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, macOS-latest, windows-latest ]
-        java: [ 21 ]
+        java: [ 23 ]
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Checkout'

.github/workflows/maven.yml

@@ -18,7 +18,7 @@ jobs:
       uses: actions/setup-java@v3
       with:
         distribution: 'temurin'
-        java-version: 21
+        java-version: 23
 
     - name: Cache maven deps
       uses: actions/cache@v3