fixes build and public issue

Author: koshikraj

.github/workflows/deploy.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: '12.x'
+          node-version: '16.x'
           run: |
             npm install
             npm run build
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: '12.x'
+          node-version: '16.x'
       - name: Add key to allow access to repository
         env:
           SSH_AUTH_SOCK: /tmp/ssh_agent.sock

.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: '16.x'
       - run: npm install
       - run: npm run build
 
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: '16.x'
           registry-url: https://registry.npmjs.org/
       - run: npm install
       - run: npm run build

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: '16.x'
       - run: npm install
       - run: npm run build
       - run: npm run test:contract