Update travis CI configuration (#602)

Updates the Travis CI configuration to be current.

Author: jasdel

.github/workflows/api_diff_check.yml

@@ -0,0 +1,30 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    name: API Diff Check
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.14
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go install golang.org/x/exp/cmd/gorelease
+
+    - name: Check APIs
+      run: $(go env GOPATH)/bin/gorelease

.travis.yml

@@ -1,13 +1,12 @@
 language: go
-
-sudo: required
+sudo: true
+dist: bionic
 
 os:
     - linux
-    - osx
 go:
-    - 1.11.x
-    - 1.12.x
+    - 1.13.x
+    - 1.14.x
     - tip
 
 matrix:
@@ -17,6 +16,3 @@ matrix:
 script:
     make ci-test;
 
-branches:
-  only:
-    - master