Update ngx_php.yml

Author: rryqszq4

.github/workflows/ngx_php.yml

@@ -16,7 +16,6 @@ jobs:
  - name: perl packages 
 run: sudo cpanm -n Test::Nginx
  - name: set env
-uses: actions/ngx_php7@master
 env:
 PHP_SRC_VERSION: '8.0.0'
 NGINX_SRC_VERSION: '1.12.2'