Make GitHub Actions compile cover compilation with MSVC on Windows

.github/workflows/windows-build.yml

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+#                          __  __            _
+#                       ___\ \/ /_ __   __ _| |_
+#                      / _ \\  /| '_ \ / _` | __|
+#                     |  __//  \| |_) | (_| | |_
+#                      \___/_/\_\ .__/ \__,_|\__|
+#                               |_| XML parser
+#
+# Copyright (c) 2025      Sebastian Pipping <sebastian@pipping.org>
+# Licensed under the MIT license:
+#
+# Permission is  hereby granted,  free of charge,  to any  person obtaining
+# a  copy  of  this  software   and  associated  documentation  files  (the
+# "Software"),  to  deal in  the  Software  without restriction,  including
+# without  limitation the  rights  to use,  copy,  modify, merge,  publish,
+# distribute, sublicense, and/or sell copies of the Software, and to permit
+# persons  to whom  the Software  is  furnished to  do so,  subject to  the
+# following conditions:
+#
+# The above copyright  notice and this permission notice  shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
+# EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+# NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+# USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+name: Build on Windows
+
+on:
+  pull_request:
+  push:
+  schedule:
+    - cron: '0 2 * * 5'  # Every Friday at 2am
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  windows_build:
+    name: Build on Windows (${{ matrix.runs-on }}, ${{ matrix.cmake_platform }}, ${{ matrix.expat_char_type }})
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - runs-on: windows-2019
+            cmake_build_type: Debug
+            cmake_generator: Visual Studio 16 2019
+            cmake_platform: Win32
+            expat_char_type: char
+            expat_dll: libexpatd.dll
+          - runs-on: windows-2022
+            cmake_build_type: Debug
+            cmake_generator: Visual Studio 17 2022
+            cmake_platform: x64
+            expat_char_type: wchar_t
+            expat_dll: libexpatwd.dll
+    defaults:
+      run:
+        shell: bash
+    runs-on: "${{ matrix.runs-on }}"
+    steps:
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+
+    - uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce  # v2
+
+    - name: Configure
+      env:
+        cmake_build_type: ${{ matrix.cmake_build_type }}
+        cmake_generator: ${{ matrix.cmake_generator }}
+        cmake_platform: ${{ matrix.cmake_platform }}
+        expat_char_type: ${{ matrix.expat_char_type }}
+      run: |-
+        cmake_args=(
+          -A "${cmake_platform}"
+          -G "${cmake_generator}"
+          -DCMAKE_BUILD_TYPE="${cmake_build_type}"
+          -DEXPAT_CHAR_TYPE="${expat_char_type}"
+          -DEXPAT_WARNINGS_AS_ERRORS=ON
+          -Wdev
+          -Wdeprecated
+        )
+        set -x
+        cd expat
+        mkdir build
+        cmake -S . -B build "${cmake_args[@]}"
+
+    - name: Build
+      env:
+        cmake_build_type: ${{ matrix.cmake_build_type }}
+      run: |-
+        msbuild_args=(
+          -m
+          -property:Configuration="${cmake_build_type}"
+        )
+        set -x
+        cd expat/build
+        MSBuild.exe "${msbuild_args[@]}" expat.sln
+
+    - name: Run tests
+      env:
+        cmake_build_type: ${{ matrix.cmake_build_type }}
+        expat_dll: ${{ matrix.expat_dll }}
+      run: |-
+        ctest_args=(
+          --build-config "${cmake_build_type}"
+          --output-on-failure
+          --parallel 2
+        )
+        set -x
+        cd expat/build
+        cp -v "${cmake_build_type}/${expat_dll}" "tests/${cmake_build_type}/"
+        ctest "${ctest_args[@]}"