ci: stop testing against NodeJS v10, v12 (#488)

BREAKING CHANGE: Drop support for NodeJS v10, v12

Author: wolfy1339

.github/workflows/test.yml

@@ -14,8 +14,6 @@ jobs:
     strategy:
       matrix:
         node_version:
-          - 10
-          - 12
           - 14
           - 16
 

package.json

@@ -70,7 +70,10 @@
         "@pika/plugin-ts-standard-pkg"
       ],
       [
-        "@pika/plugin-build-node"
+        "@pika/plugin-build-node",
+        {
+          "minNodeVersion": "14"
+        }
       ],
       [
         "@pika/plugin-build-web"
@@ -104,5 +107,8 @@
     "extends": [
       "github>octokit/.github"
     ]
+  },
+  "engines": {
+    "node": ">= 14"
   }
 }