Update github actions to create a windows installer

Author: u-235

.github/workflows/release.yml

@@ -67,9 +67,58 @@ jobs:
         name: ubuntu-${{matrix.os_name}}
         path: '*.deb'
 
+  build-windows-installer:
+    runs-on: windows-2022
+    strategy:
+      fail-fast: false
+      matrix:
+        msystem: ['mingw64', 'mingw32']
+    defaults:
+      run:
+        shell: msys2 {0}
+    steps:  
+    - name: Disable autocrlf in Git
+      shell: pwsh
+      # https://github.com/msys2/setup-msys2?tab=readme-ov-file#actionscheckout-and-line-endings
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up MSYS2 environment
+      # The qt5-serialport package is now missing from mingw32, so we use
+      # a static build. The openssl package is needed for qt-static, but it is
+      # not in the qt5-static dependencies and so has to be installed explicitly.
+      uses: msys2/setup-msys2@v2
+      with:
+        msystem: ${{matrix.msystem}}
+        cache: true
+        update: true
+        install: >-
+          make
+          zip
+        pacboy: >-
+          gcc:p
+          nsis:p
+          qt5-static:p
+          openssl:p
+
+    - name: 'Build'
+      run: install/win-msys2-build.sh -s windows -v ${{ github.ref_name }} -q /${{matrix.msystem}}/qt5-static/bin/qmake.exe
+
+    - name: 'Upload windows installers'
+      uses: actions/upload-artifact@v4
+      with:
+        name: windows-${{matrix.msystem}}
+        path: |
+          *.exe
+          *.zip
+
   create-release:
     runs-on: ubuntu-latest
-    needs: [build-debian-packages, build-ubuntu-packages]
+    needs: [build-debian-packages, build-ubuntu-packages, build-windows-installer]
     steps:
     - name: Download build artifacts
       uses: actions/download-artifact@v4
@@ -97,7 +146,6 @@ jobs:
       run: |
         echo "RELEASE_NAME=${{ github.ref_name }}" >> $GITHUB_ENV
         echo "TAG_NAME=${{ github.ref_name }}" >> $GITHUB_ENV
-        echo "TAG_NAME=${{ github.ref_name }}" >> $GITHUB_ENV
           
     - name: Create GitHub Release
       continue-on-error: false