Run CI on all PRs + release branches

.github/workflows/build.yaml

@@ -2,7 +2,9 @@ name: Build
 
 on:
   push:
-    branches: [main]
+    branches:
+      - main
+      - 'release/**'
     tags:
       - "v*"
 

.github/workflows/ci.yaml

@@ -2,11 +2,12 @@ name: CI
 
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
+      - 'release/**'
     tags:
       - 'v*'
   pull_request:
-    branches: [ main ]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}