更新 '16.04/install.sh'

php版本更新为7.4

16.04/install.sh

@@ -53,7 +53,7 @@ function install_node_yarn {
 }
 
 function install_php {
-    apt-get install -y php7.3-bcmath php7.3-cli php7.3-curl php7.3-fpm php7.3-gd php7.3-mbstring php7.3-mysql php7.3-opcache php7.3-pgsql php7.3-readline php7.3-xml php7.3-zip php7.3-sqlite3 php7.3-redis
+    apt-get install -y php7.4-bcmath php7.4-cli php7.4-curl php7.4-fpm php7.4-gd php7.4-mbstring php7.4-mysql php7.4-opcache php7.4-pgsql php7.4-readline php7.4-xml php7.4-zip php7.4-sqlite3 php7.4-redis
 }
 
 function install_others {