gha: only run transform-sdk-build on push to dev and release branches

Without this change, PR checks will run twice:
1. transform-sdk-build / Build integration tests (pull_request)
2. transform-sdk-build / Build integration tests (push)

(cherry picked from commit 3aaf695)

.github/workflows/transform-sdk-build.yml

@@ -11,7 +11,7 @@ name: transform-sdk-build
 on:
   push:
     tags: ['*']
-    branches: ['*']
+    branches: [dev, 'v*']
     paths:
       - 'src/transform-sdk/**'
       - '.github/workflows/transform-sdk-build.yml'