Fix FFmpeg versions for source build

Author: NicolasHug

.github/workflows/windows_source_build.yaml

@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.9']
-        ffmpeg-version: ['4.4.4', '5.1.4', '6.1.1', '7.0.1']
+        ffmpeg-version:  ['4.4.2', '5.1.2', '6.1.1', '7.0.1']
     steps:
       - name: Check out repo
         uses: actions/checkout@v3