tests: Test face clustering

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

.github/workflows/cluster-faces-test.yml

@@ -20,7 +20,7 @@ env:
 
 jobs:
   php:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     strategy:
       # do not stop on another job's failure