chore: drop support for EOL Node.js versions

Author: mmarchini

.github/workflows/ci.yml

@@ -28,8 +28,6 @@ jobs:
         os:
           - ubuntu-latest
         node-version:
-          - 10.x
-          - 12.x
           - 14.x
           - 16.x
     runs-on: ${{matrix.os}}

README.md

@@ -85,15 +85,7 @@ $ npm install restify
 
 ## Supported Node Versions
 
-Restify aims to support the Node.js LTS (Active and Maintenance) versions along with Node.js current stable version.
-
-| Node Release  | Supported in Current Version | Notes    |
-| :--:     | :---: | :---:       | 
-| 11.x | **Yes**      | Current stable | 
-| 10.x | **Yes**      | Active LTS | 
-| 8.x  | **Yes** | Maintenance LTS  | 
-| 6.x  | **No** | Use restify v7.x, team will backport critical issues only   | 
-| 4.x  | **No** | Use restify v7.x, team will backport critical issues only  | 
+Restify currently works on Node.js v14.x and v16.x.
 
 ## License