Update minimum required node.js version to v12

Signed-off-by: Peter Dave Hello <[email protected]>

Author: PeterDaveHello

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x]
+        node-version: [12.x]
 
     steps:
     - uses: actions/checkout@v2

.nvmrc

@@ -1 +1 @@
-v10.20.1
+v12.22.12

package.json

@@ -212,7 +212,7 @@
     "utf-8-validate": "~5.0.1"
   },
   "engines": {
-    "node": ">=10.0.0 <13.0.0"
+    "node": ">=12.0.0 <13.0.0"
   },
   "maintainers": [
     {