Remove Node 16 from CI

Author: zachleat

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        node: ["16", "18", "20", "22"]
+        node: ["18", "20", "22"]
     name: Node.js ${{ matrix.node }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4

README.md

@@ -12,8 +12,6 @@ Low level internal utilities to be shared amongst Eleventy projects.
 - [11ty on npm](https://www.npmjs.com/org/11ty)
 - [11ty on GitHub](https://github.com/11ty)
 
-[![npm Version](https://img.shields.io/npm/v/@11ty/eleventy-utils.svg?style=for-the-badge)](https://www.npmjs.com/package/@11ty/eleventy-utils)
-
 ## Installation
 
 ```