chore: use node 14, update lockfile version

Author: fdintino

.github/workflows/test.yml

@@ -73,11 +73,11 @@ jobs:
         path: node_modules
         key: node_modules-${{ hashFiles('package-lock.json') }}
 
-    - name: Setup nodejs 12
+    - name: Setup nodejs 14
       if: steps.cache-test-dist.outputs.cache-hit != 'true' || steps.cache-node_modules.outputs.cache-hit != 'true'
       uses: actions/setup-node@v2
       with:
-        node-version: '12'
+        node-version: '14'
 
     - name: npm ci
       if: steps.cache-test-dist.outputs.cache-hit != 'true' || steps.cache-node_modules.outputs.cache-hit != 'true'