add .nvmrc file

.github/workflows/build-preview.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version-file: '.nvmrc'
       - run: npm install
       - run: npm run dist
       - uses: actions/checkout@v3

.github/workflows/deploy-preview.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version-file: '.nvmrc'
       - run: npm install --global netlify-cli@6
       - run: npm install unzipper@0.10
 

.github/workflows/deploy.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version-file: '.nvmrc'
 
       - name: Install Node.js dependencies
         run: npm install

.github/workflows/lint.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version-file: '.nvmrc'
       - run: npm install
       - run: 'for f in `find data/ -type f -not -iname "*.json"`; do echo "::error File $f is not a .json file."; done'
       - run: npm run lint

.nvmrc

@@ -0,0 +1 @@
+lts/*