Fixed the publish maven workflow to execute after pushes to release b…

…ranches. (#837)

Signed-off-by: AWSHurneyt <hurneyt@amazon.com>
(cherry picked from commit bdc9dad)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

.github/workflows/maven-publish.yml

@@ -3,11 +3,10 @@ name: Publish snapshots to maven
 on:
   workflow_dispatch:
   push:
-    branches: [
-      main
-        1.*
-        2.*
-    ]
+    branches:
+      - main
+      - '[0-9]+.[0-9]+'
+      - '[0-9]+.x'
 
 jobs:
   build-and-publish-snapshots: