feat: Add Node 20 support; remove Node 14, 16 support (#60)

BREAKING CHANGE: Removes support for Node 14 and 16

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        node: [ '14', '16', '18' ]
+        node: [ '18', '20' ]
     name: Node ${{ matrix.node }}
     runs-on: ubuntu-latest
     timeout-minutes: 30

README.md

@@ -5,6 +5,8 @@
 [![Coverage](https://img.shields.io/codecov/c/github/parse-community/parse-server-fs-adapter/main.svg)](https://codecov.io/github/parse-community/parse-server-fs-adapter?branch=main)
 [![auto-release](https://img.shields.io/badge/%F0%9F%9A%80-auto--release-9e34eb.svg)](https://github.com/parse-community/parse-server-fs-adapter/releases)
 
+[![Node Version](https://img.shields.io/badge/nodejs-18,_20-green.svg?logo=node.js&style=flat)](https://nodejs.org)
+
 [![npm latest version](https://img.shields.io/npm/v/@parse/fs-files-adapter.svg)](https://www.npmjs.com/package/@parse/fs-files-adapter)
 
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