Fix workflow

Author: backslash-f

.github/workflow/swift.yml renamed to .github/workflows/swift.yml

@@ -4,10 +4,14 @@ name: "Run Tests"
 on:
   push:
     branches: [main]
+  pull_request:
+    branches: [main]
 
 jobs:
   build:
+
     runs-on: macOS-latest
+
     steps:
       - uses: actions/checkout@v4
       - name: Run Tests