feat: upgrade Lighthouse and node (#422)

* Upgrade Lighthouse and node engine

* run CI on Node v14

* Upgrade cypress

* Change node version

* Update package-lock.json

* Reverse cypress change

* Remove netlify-plugin-cypress from package.json

* Remove cypress plugin

* Upgrade to Node 16

* Return netlify-plugin-cypress

* Upgrade engine node to v16

* lighthouse 9.6.2 to 9.6.3

Release-As: 3.0.0

Author: FawazFarid

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x, '*']
+        node-version: [16.x, '*']
 
     steps:
       - uses: actions/checkout@v3

netlify.toml

@@ -3,7 +3,7 @@ command = "echo 'no op'"
 publish = "example"
 
 [build.environment]
-NODE_VERSION = "node"
+NODE_VERSION = "16.15.1"
 
 [[plugins]]
 package = "./src/index.js"