Fix release processing

.github/workflows/release.yml

@@ -30,12 +30,18 @@ jobs:
   publish-docs:
     needs: check-release
     if: ${{ needs.check-release.outputs.should-publish == 'true' }}
-    runs-on: macos-11
+    runs-on: ubuntu-latest
     steps:
       - uses: maxim-lobanov/[email protected]
         if: runner.os == 'macOS'
         with:
           xcode-version: ^13.0
+      - name: Install Swift
+        if: runner.os == 'Linux'
+        uses: sersoft-gmbh/[email protected]
+        with:
+          release-version: 5.6
+          github-token: ${{secrets.GITHUB_TOKEN}}
       - name: Read OS Version
         uses: sersoft-gmbh/[email protected]
         id: os-version

.github/workflows/swift-test.yml

@@ -79,7 +79,6 @@ jobs:
         with:
           xcode-version: ^13.0
       - uses: actions/[email protected]
-      # remove these two steps once Xcode 13.3 (Swift 5.6) is available on GHA
       - name: Read Swift Version
         uses: sersoft-gmbh/[email protected]
         id: swift-version