chore: use node v12 in Travis CI builds

.travis.yml

@@ -18,7 +18,8 @@ matrix:
     osx_image: xcode10.1
 
     before_install:
-    - export LANG=en_US.UTF-8
+    - export LANG=en_US.UTF-8 &&
+      nvm use 12
 
     install:
     - npm install
@@ -46,7 +47,7 @@ matrix:
 
     before_install:
     - export LANG=en_US.UTF-8 &&
-      curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash - &&
+      curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash - &&
       sudo apt-get install -y nodejs
     - yes | sdkmanager --update
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-advanced-http",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -66,4 +66,4 @@
     "wd": "1.12.1",
     "xml2js": "0.4.23"
   }
-}
+}