test only 8.4

Author: asika32764

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     strategy:
       matrix:
-        php-versions: [ '8.2', '8.3', '8.4' ]
+        php-versions: [ '8.4' ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2