Fix gearman versions

Author: shivammathur

src/scripts/extensions/gearman.sh

@@ -4,8 +4,10 @@ add_gearman_helper() {
   enable_extension gearman extension
   if ! check_extension gearman; then
     status="Installed and enabled"
-    if [[ "${version:?}" =~ 5.[3-5] ]]; then
+    if [[ "${version:?}" =~ 5.[3-6] ]]; then
       pecl_install gearman-1.1.2
+    elif [[ "${version:?}" =~ 7.0 ]]; then
+      pecl_install gearman-2.1.3
     else
       install_packages php"${version:?}"-gearman || pecl_install gearman
     fi