Update documentation.yml

(cherry picked from commit 7b508c2a177b74e3cdfabd7e7e981a026cbe287d)

Author: stephencelis

.github/workflows/documentation.yml

@@ -9,6 +9,9 @@ jobs:
   build:
     runs-on: macos-12
     steps:
+      - name: Select Xcode 14.0.1
+        run: sudo xcode-select -s /Applications/Xcode_14.0.1.app
+
       - name: Checkout Package
         uses: actions/checkout@v2
         with:
@@ -20,12 +23,14 @@ jobs:
           repository: apple/swift-docc
           ref: main
           path: swift-docc
+
       - name: Cache DocC
         id: cache-docc
         uses: actions/cache@v2
         with:
           key: swift-url-docc-build
           path: swift-docc/.build
+
       - name: Build swift-docc
         if: ${{ !steps.cache-docc.outputs.cache-hit }}
         run: |
@@ -37,6 +42,7 @@ jobs:
           repository: apple/swift-docc-render
           ref: main
           path: swift-docc-render
+
       - name: Build swift-docc-render
         run: |
           cd swift-docc-render; npm install && npm run build; cd ..
@@ -52,6 +58,7 @@ jobs:
           rm -rf docs-out/.git;
           rm -rf docs-out/main;
           rm -rf docs-out/protocol-beta;
+          git tag -l --sort=-v:refname | tail -n +10 | xargs rm -rf;
 
           for tag in $(echo "main"; echo "protocol-beta"; git tag);
           do
@@ -92,6 +99,7 @@ jobs:
 
       - name: Fix permissions
         run: 'sudo chown -R $USER docs-out'
+
       - name: Publish documentation to GitHub Pages
         uses: JamesIves/[email protected]
         with: