Upgrade to Node.js 20.x

Author: fscherwi

Diff for: .github/CONTRIBUTING.md

@@ -9,7 +9,7 @@
 Follow the installation instructions here:<br />
 https://nodejs.dev/download
 
-Node.js 16.x is used for development of this project. [nvm](https://github.com/nvm-sh/nvm) is recommended to easily switch between Node.js versions.
+Node.js 20.x is used for development of this project. [nvm](https://github.com/nvm-sh/nvm) is recommended to easily switch between Node.js versions.
 
 ### 2. Install dependencies
 

Diff for: .github/workflows/check-npm.yml

@@ -2,7 +2,7 @@ name: Check npm
 
 env:
   # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
+  NODE_VERSION: 20.x
 
 # See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
 on:

Diff for: .github/workflows/check-packaging-ncc-typescript-npm.yml

@@ -2,7 +2,7 @@ name: Check Packaging
 
 env:
   # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
+  NODE_VERSION: 20.x
 
 on:
   push:

Diff for: .github/workflows/test.yml

@@ -2,7 +2,7 @@ name: Test Action
 
 env:
   # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
+  NODE_VERSION: 20.x
 
 on:
   push:

Diff for: action.yml

@@ -40,7 +40,7 @@ inputs:
     required: false
     default: ${{ github.token }}
 runs:
-  using: "node16"
+  using: "node20"
   main: "dist/index.js"
 branding:
   icon: "check-square"