Replace Travis testing with Github Actions

This is faster to run and runs on Workstation so it has all the latest
tooling.
Signed-off-by: Tim Smith <tsmith@chef.io>

.github/workflows/delivery.yml

+name: delivery
+
+on: [push, pull_request]
+
+jobs:
+  delivery:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out code
+      uses: actions/checkout@master
+    - name: Run Chef Delivery
+      uses: actionshub/chef-delivery@master
+      env:
+        CHEF_LICENSE: accept-no-persist
\ No newline at end of file

.travis.yml

-# Use Travis's cointainer based infrastructure
-sudo: false
-addons:
-  apt:
-    sources:
-      - chef-stable-precise
-    packages:
-      - chefdk
-
-# Don't `bundle install`
-install: echo "skip bundle install"
-
-branches:
-  only:
-    - master
-
-# Ensure we make ChefDK's Ruby the default
-before_script:
-  - eval "$(/opt/chefdk/bin/chef shell-init bash)"
-
-script:
-  - /opt/chefdk/embedded/bin/chef --version
-  - /opt/chefdk/embedded/bin/cookstyle --version
-  - /opt/chefdk/embedded/bin/foodcritic --version
-  - /opt/chefdk/bin/chef exec delivery local all