misc: Fixed the push and pull_request branch requirements for our CI to run

.github/workflows/build-and-upload.yml

@@ -4,7 +4,7 @@ name: build and upload
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
   push:
-    branches: [ master ]
+    branches: [ main ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:

.github/workflows/build-pr.yml

@@ -4,7 +4,7 @@ name: build PR
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: