Reduce JDKs usage to mininime GH action flakes.

PiperOrigin-RevId: 743648610
Change-Id: I7a68d6f058e7365a487204d1a588f6aca1adcd73

Author: ludoch

.github/workflows/maven.yml

@@ -32,14 +32,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         java: [17, 21, 24]
-        jdk: [temurin, liberica, zulu]
-        exclude:
-          - java: 17
-            jdk: liberica
-          - java: 17
-            jdk: zulu
-          - java: 24
-            jdk: temurin
+        jdk: [temurin]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}