Workflow tweaking

Run tests on all PRs, but only check labels on main and release.

Author: ivarne

.github/workflows/check-label-added.yml

@@ -1,6 +1,9 @@
 name: "Label Check"
 on:
   pull_request:
+    branches:
+      - "main"
+      - "release/**"
     types: [opened, edited, labeled, unlabeled, synchronize]
 
 jobs:

.github/workflows/dotnet-test.yml

@@ -2,13 +2,7 @@ name: Build and Test on windows, macos and ubuntu
 
 on:
   push:
-    branches:
-      - "main"
-      - "release/**"
   pull_request:
-    branches:
-      - "main"
-      - "release/**"
   workflow_dispatch:
 
 jobs: