Enhancement: Run build on PHP 7.4

OskarStark · localheinz · commit 860b183342f9 · 2020-03-20T12:15:47.000+01:00
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
@@ -18,6 +18,7 @@ jobs:
         php-version:
           - "7.2"
           - "7.3"
+          - "7.4"
 
         dependencies:
           - "highest"
