Disable matrix for Macports

- Currently cannot build Sunshine on macOS < 10.8 due to missing video toolbox framework

.github/workflows/CI.yml

@@ -418,11 +418,12 @@ jobs:
   build_mac_port:
     name: Macports
     needs: check_changelog
-    runs-on: ${{ matrix.os }}
+    runs-on: macos-11
-    strategy:
+#    runs-on: ${{ matrix.os }}
-      fail-fast: false
+#    strategy:
-      matrix:
+#      fail-fast: false
-        os: [ macos-10.15, macos-11, macos-12 ]
+#      matrix:
+#        os: [ macos-10.15, macos-11, macos-12 ]
 
     steps:
       - name: Checkout
@@ -616,7 +617,7 @@ jobs:
       - name: Upload Artifacts
         uses: actions/upload-artifact@v3
         with:
-          name: sunshine-macports-${{ matrix.os }}
+          name: sunshine-macports
           path: artifacts/
 
       - name: Create Release