Revert "Use mvn4 ci build defaults" - switch to Maven 4 rc2

This reverts commit 71f2680.

Author: slachiewicz

.github/workflows/maven-verify.yml

@@ -26,4 +26,6 @@ jobs:
     name: Verify
     uses: apache/maven-gh-actions-shared/.github/workflows/maven-verify.yml@v4
     with:
-      maven4-enabled: true
+      ff-maven: "4.0.0-rc-2"                     # Maven version for fail-fast-build
+      maven-matrix: '[ "4.0.0-rc-2" ]'
+      jdk-matrix: '[ "17", "21" ]'