Drop support for Debian 8, CentOS 6 and Ubuntu 16.04

Start supporting Debian 11 and Ubuntu 20.04

Author: alexjfisher

README.md

@@ -10,6 +10,7 @@
 1. [Overview](#overview)
 1. [Usage - Configuration options and additional functionality](#usage)
 1. [Limitations - OS compatibility, etc.](#limitations)
+1. [License](#license)
 
 ## Overview
 
@@ -66,11 +67,9 @@ gitlab_ci_runner::runners:
 ## Limitations
 
 The Gitlab CI runner installation is at the moment only tested on:
-* CentOS 6/7/8
-* Debian 8/9/10
-* Ubuntu 16.04/18.04
-
-A runner configuration is currently only applied if the specific runner does not exist in the config file.
+* CentOS 7/8
+* Debian 9/10/11
+* Ubuntu 18.04/20.04
 
 ## License
 

metadata.json

@@ -56,16 +56,16 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "8",
         "9",
-        "10"
+        "10",
+        "11"
       ]
     },
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "16.04",
-        "18.04"
+        "18.04",
+        "20.04"
       ]
     }
   ],