Check out github-workflows into subdirectory

checkout@v1 and checkout@v4 differ in their behavior, try to make v1 clone the workflows repo in the same place as v4.

Author: jakepetroules

.github/workflows/swift_package_test.yml

@@ -325,7 +325,7 @@ jobs:
         uses: actions/checkout@v1
         with:
           repository: swiftlang/github-workflows
-          path: github-workflows
+          path: ${{ github.event.repository.name }}/github-workflows
           ref: main
       - name: Determine script-root path
         id: script_path
@@ -392,7 +392,7 @@ jobs:
         uses: actions/checkout@v1
         with:
           repository: swiftlang/github-workflows
-          path: github-workflows
+          path: ${{ github.event.repository.name }}/github-workflows
           ref: main
       - name: Determine script-root path
         id: script_path
@@ -469,7 +469,7 @@ jobs:
         uses: actions/checkout@v1
         with:
           repository: swiftlang/github-workflows
-          path: github-workflows
+          path: ${{ github.event.repository.name }}/github-workflows
           ref: main
       - name: Determine script-root path
         id: script_path
@@ -546,7 +546,7 @@ jobs:
         uses: actions/checkout@v1
         with:
           repository: swiftlang/github-workflows
-          path: github-workflows
+          path: ${{ github.event.repository.name }}/github-workflows
           ref: main
       - name: Determine script-root path
         id: script_path
@@ -624,7 +624,7 @@ jobs:
         uses: actions/checkout@v1
         with:
           repository: swiftlang/github-workflows
-          path: github-workflows
+          path: ${{ github.event.repository.name }}/github-workflows
           ref: main
       - name: Determine script-root path
         id: script_path