Switch to Java 21

Author: stefanseifert

.github/workflows/maven-build.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [17, 21, 25]
+        java: [21, 25]
         os: [ubuntu-latest]
         distribution: [temurin]
 

parent/pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.wcm.maven</groupId>
     <artifactId>io.wcm.maven.aem-global-parent</artifactId>
-    <version>2.2.10</version>
+    <version>2.3.0-SNAPSHOT</version>
     <relativePath/>
   </parent>