change action used to install ffmpeg in github workflow

Author: rob93c

.github/workflows/unit-test.yml

@@ -24,10 +24,10 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup FFmpeg
-        uses: FedericoCarboni/setup-ffmpeg@v3
+        uses: AnimMouse/setup-ffmpeg@v1
         with:
           # bump: ffmpeg-ci /ffmpeg-version: '([\d.]+)'/ docker:mwader/static-ffmpeg|~7
-          ffmpeg-version: '7.1'
+          version: master
 
       - name: Setup Java
         uses: actions/setup-java@v4