fix(CI): don't install clang; install capnproto via the MSYS2 gcc environment, distributed with Ruby for Windows

Author: nickysn

.github/workflows/ci.yml

@@ -30,15 +30,15 @@ jobs:
             brew install capnp pkg-config
           elif [[ "$RUNNER_OS" == "Windows" ]]; then
             # Install LLVM/Clang for Windows
-            choco install llvm -y
+            #choco install llvm -y
             # Install vcpkg for Cap'n Proto on Windows
-            git clone https://github.com/Microsoft/vcpkg.git
-            cd vcpkg
-            ./bootstrap-vcpkg.bat
-            ./vcpkg install capnproto:x64-windows
-            echo "VCPKG_ROOT=$(pwd)" >> $GITHUB_ENV
-            echo "CMAKE_TOOLCHAIN_FILE=$(pwd)/scripts/buildsystems/vcpkg.cmake" >> $GITHUB_ENV
-            cd ..
+            #git clone https://github.com/Microsoft/vcpkg.git
+            #cd vcpkg
+            #./bootstrap-vcpkg.bat
+            #./vcpkg install capnproto:x64-windows
+            #echo "VCPKG_ROOT=$(pwd)" >> $GITHUB_ENV
+            #echo "CMAKE_TOOLCHAIN_FILE=$(pwd)/scripts/buildsystems/vcpkg.cmake" >> $GITHUB_ENV
+            #cd ..
           fi
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
@@ -56,7 +56,8 @@ jobs:
         shell: bash
         run: |
           if [[ "$RUNNER_OS" == "Windows" ]]; then
-            ridk enable
+            pacman -S mingw-w64-ucrt-x86_64-capnproto
+          #  ridk enable
           fi
           just build-extension
       - name: Run tests