chore: upgrade node version

.github/workflows/release.yml

@@ -12,10 +12,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Setup Node 14.x
+      - name: Setup Node 16.x
         uses: actions/setup-node@v1
         with:
-          node-version: 14.x
+          node-version: 16.x
 
       - name: Get yarn cache directory
         id: yarn-cache-dir
@@ -42,7 +42,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v2
@@ -82,10 +82,10 @@ jobs:
           # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
           fetch-depth: 0
 
-      - name: Setup Node.js 14.x
+      - name: Setup Node.js 16.x
         uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
           registry-url: 'https://registry.npmjs.org'
 
       - name: Get yarn cache directory

.github/workflows/verify.yml

@@ -105,7 +105,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [16.x]
         os: [windows-latest]
     steps:
       - uses: actions/checkout@v2

README.md

@@ -173,7 +173,7 @@ The accessibility column indicates whether the functionality is accessible in it
 
 Lion Web Components aims to be future-proof and use well-supported proven technology. The stack we have chosen should reflect this.
 
-- [lit-html](https://lit-html.polymer-project.org) and [lit-element](https://lit-element.polymer-project.org)
+- [lit](https://lit.dev/)
 - [npm](http://npmjs.com)
 - [yarn](https://yarnpkg.com)
 - [Open Web Components](https://open-wc.org)
@@ -208,9 +208,9 @@ Read our [contribution guide](https://github.com/ing-bank/lion/blob/master/CONTR
 ## Contact
 
 Feel free to create a github issue for any feedback or questions you might have.
-You can also find us on the Polymer slack in the [#lion](https://polymer.slack.com/messages/CJGFWJN9J/convo/CE6D9DN05-1557486154.187100/) channel.
+You can also find us on the Lit & Friends slack in the [#lion](https://lit-and-friends.slack.com/archives/CJGFWJN9J) channel.
 
-You can join the Polymer slack by visiting [https://www.polymer-project.org/slack-invite](https://www.polymer-project.org/slack-invite).
+You can join the Lit & Friends slack by visiting [https://lit.dev/slack-invite/](https://lit.dev/slack-invite/).
 
 [i172]: https://github.com/ing-bank/lion/issues/172
 [i173]: https://github.com/ing-bank/lion/issues/173

docs/about/slack.md

@@ -1,5 +1,5 @@
 # Slack
 
-You can also find us on the Polymer Slack in the [#lion](https://polymer.slack.com/archives/CJGFWJN9J) channel.
+You can also find us on the Lit & Friends Slack in the [#lion](https://lit-and-friends.slack.com/archives/CJGFWJN9J) channel.
 
-You can join the Polymer Slack by visiting [https://www.polymer-project.org/slack-invite](https://www.polymer-project.org/slack-invite).
+You can join the Lit & Friends Slack by visiting [https://lit.dev/slack-invite/](https://lit.dev/slack-invite/).

docs/blog/ing-open-sources-lion.md

@@ -131,9 +131,9 @@ You can do so by:
 - ... every contribution counts! Even typo fixes in the docs 🤓
 
 Feel free to create a github issue for any feedback or questions you might have.
-You can also find us on the Polymer slack in the [#lion](https://polymer.slack.com/messages/CJGFWJN9J/convo/CE6D9DN05-1557486154.187100/) channel.
+You can also find us on the Lit & Friends slack in the [#lion](https://lit-and-friends.slack.com/archives/CJGFWJN9J) channel.
 
-You can join the Polymer slack by visiting [https://www.polymer-project.org/slack-invite](https://www.polymer-project.org/slack-invite).
+You can join the Lit & Friends slack by visiting [https://lit.dev/slack-invite/](https://lit.dev/slack-invite/).
 
 ## 🔨 Extend the components
 

docs/guides/how-to/get-started.md

@@ -6,8 +6,7 @@ Lion Web Components aims to be future proof and use well-supported proven techno
 
 Checkout the documentation of our main stack.
 
-- [lit-html](https://lit-html.polymer-project.org) - An efficient, expressive, extensible HTML templating library for JavaScript.
-- [lit-element](https://lit-element.polymer-project.org) - A simple base class for creating fast, lightweight web components.
+- [lit](https://lit.dev/) - Building on top of the Web Components standards, Lit adds just what you need to be happy and productive: reactivity, declarative templates and a handful of thoughtful features to reduce boilerplate and make your job easier.
 - [modern-web](https://modern-web.dev) - Guides, tools and libraries for modern web development.
 - [open-wc](https://open-wc.org) - Open Web Components provides guides, tools and libraries for developing web components.