Improve our workflows (#247)

Author: petea

.github/workflows/integration_tests.yml

@@ -5,14 +5,14 @@ on:
     branches:
       - main
   pull_request:
-    branches:
-      - main
   workflow_dispatch:
 
 jobs:
 
   swift-button-functional-test:
-    runs-on: macOS-latest
+    runs-on: macOS-12
+    # Don't run if triggered by a PR from a fork since our Secrets won't be provided to the runner.
+    if: "!github.event.pull_request.head.repo.fork"
     defaults:
       run:
         working-directory: Samples/Swift/DaysUntilBirthday

.github/workflows/tests.yml

@@ -5,8 +5,6 @@ on:
     branches:
       - main
   pull_request:
-    branches:
-      - main
   workflow_dispatch:
 
 jobs: