Update gh action build

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

.github/workflows/maven.yml

diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 29b8749..5922b5a 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -27,7 +27,7 @@
 
     strategy:
       matrix:
-        java_version: [ 11, 17, 21-ea ]
+        java_version: [ 11, 17, 21 ]
 
     steps:
     - name: Checkout for build