build: Node.js@12.18

Author: dougwilson

.travis.yml

@@ -16,7 +16,7 @@ node_js:
   - "9.11"
   - "10.21"
   - "11.15"
-  - &lts "12.16"
+  - &lts "12.18"
   - "13.13"
   - "14.2"
 env:

appveyor.yml

@@ -21,7 +21,7 @@ environment:
     - nodejs_version: "9.11"
     - nodejs_version: "10.21"
     - nodejs_version: "11.15"
-    - nodejs_version: "12.16"
+    - nodejs_version: "12.18"
     - nodejs_version: "13.13"
     - nodejs_version: "14.2"