ci: build arm64-windows binaries

Author: tueda

.github/workflows/deploy.yml

@@ -68,8 +68,10 @@ jobs:
           # Unfortunately, "allow-failure" is not available on GitHub Actions
           # (https://github.com/actions/toolkit/issues/399).
           # We have to use "continue-on-error", instead.
-          - {os: windows-2022, shell: msys2, bin: form}
-          - {os: windows-2022, shell: msys2, bin: tform}
+          - {os: windows-2022, shell: msys2, msystem: mingw64, bin: form}
+          - {os: windows-2022, shell: msys2, msystem: mingw64, bin: tform}
+          - {os: windows-11-arm, shell: msys2, msystem: clangarm64, bin: form}
+          - {os: windows-11-arm, shell: msys2, msystem: clangarm64, bin: tform}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -285,6 +287,7 @@ jobs:
           make_tar_gz x86_64-osx '*-macos-13/*form'
           make_tar_gz arm64-osx '*-macos-14/*form'
           make_zip x86_64-windows '*-windows-2022/*form.exe'
+          make_zip arm64-windows '*-windows-11-arm/*form.exe'
 
       - name: Summarize files for distribution
         run: |