feat: Ability to manually run CI for pull requests

.github/workflows/manual-mac-pr.yaml

@@ -0,0 +1,8 @@
+name: PR Validation on Mac
+on:
+  workflow_dispatch:
+jobs:
+  qc:
+    uses: ./.github/workflows/qc-mac.yaml
+  nix:
+    uses: ./.github/workflows/nix-mac.yaml

.github/workflows/nix-mac.yaml

@@ -5,6 +5,7 @@ on:
   push:
     branches:
       - main
+  workflow_call:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/qc-mac.yaml

@@ -2,6 +2,7 @@ name: QC Mac
 on:
   push:
     branches: [main]
+  workflow_call:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}