Remove php 7.4 from github actions

Author: daniel-werner

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
         matrix:
-            php-versions: ['7.4', '8.0', '8.1']
+            php-versions: ['8.0', '8.1']
     steps:
     - uses: actions/checkout@v2
     - name: Setup PHP