feat: upgraded to node v18, added .nvmrc and updated workflows

.github/workflows/ci.yml

@@ -22,13 +22,15 @@ jobs:
       RUNJSHINT: true
     steps:
     - uses: actions/checkout@v2
+    - name: Setup Nodejs Env
+      run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
     - uses: actions/setup-python@v2
       with:
         python-version: '3.8'
         architecture: x64
     - uses: actions/setup-node@v2
       with:
-        node-version: 16
+        node-version: ${{ env.NODE_VER }}
     - run: pip install -r requirements/ci.txt
     - name: Run tox
       env:

.github/workflows/publish.yml

@@ -11,14 +11,16 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Setup Nodejs Env
+        run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
       - name: setup python
         uses: actions/setup-python@v2
         with:
           python-version: 3.8
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: ${{ env.NODE_VER }}
       - name: Install requirements
         run: make requirements
       - name: Build package

.nvmrc

@@ -1 +1 @@
-16
+18