tests: migrate to github actions

.circleci/config.yml

@@ -9,27 +9,6 @@ commands:
         default: "3.7.0"
     steps:
       - checkout
-      - run: pyenv global << parameters.python_version >>
-      - run: make setup
-      - run: sudo sysctl -w vm.max_map_count=262144
-      - run:
-          command: |
-            make generate
-            if ! git diff --quiet README.md; then
-              echo "Please run `make generate`"
-              git status --short
-              git --no-pager diff README.md
-              exit 1
-            fi
-      - run: make test
-      - store_artifacts:
-          path: build
-          destination: build
-      - store_artifacts:
-          path: tmp/test-results
-          destination: test-results
-      - store_test_results:
-          path: tmp/test-results
 
 executors:
   machine:
@@ -45,16 +24,8 @@ jobs:
     steps:
       - build
 
-  build-version:
-    environment:
-      DOKKU_VERSION: v0.19.0
-    executor: machine
-    steps:
-      - build
-
 workflows:
   version: 2
   build:
     jobs:
       - "build-master"
-      - "build-version"