chore(ci): bump node lts

remove old travis config
add dependabot config

close #98

.github/workflows/node.js.yml

@@ -14,11 +14,12 @@ jobs:
   build:
       runs-on: ubuntu-latest
       steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js 14.x
-        uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - name: Use Node.js 16.x
+        uses: actions/setup-node@v3
         with:
-          node-version: "14.x"
+          node-version: 16
+          cache: 'npm'
       - name: npm install and build
         run:
           npm ci

.github/workflows/release.js.yml

@@ -10,10 +10,11 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: "14.x"
+          node-version: 'lts/*'
+          cache: 'npm'
       - name: npm install and build
         run:
           npm ci

.gitignore

@@ -1,6 +1,6 @@
 node_modules
 .*
-!.travis.yml
+!.github/dependabot.yml
 !.editorconfig
 !.npmignore
 !.gitignore