Run the test suite on Windows runners

.github/workflows/testing-all-oses.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["macos-14", "ubuntu-latest"]
+        os: ["macos-14", "ubuntu-latest", "windows-latest"]
         order: ["normal", "reverse"]
     steps:
     - uses: actions/checkout@v4
@@ -32,6 +32,9 @@ jobs:
         sed -e '/^$/d' -e '/^#.*$/d' requirements.tmp.txt > requirements.txt
         rm requirements.tmp.txt
         cat requirements.txt
+    - name: Remove unavailable dependencies on Windows
+      if: ${{ startsWith(matrix.os, 'windows') }}
+      run: sed -i -e '/^dbus-python.*$/d' -e '/^libxmlsec1.*$/d' requirements.txt
     - name: Get current year and calendar week
       id: year-and-week
       run: echo "year-and-week=$(date +%Y-%V)" >> "$GITHUB_OUTPUT"