[skip changelog] Add release workflow to github actions (#389)

* add release workflow to github actions

* fix string

* remove .drone.yml file

.drone.yml

----
-kind: pipeline
-name: release
-
-steps:
-- name: fetch
-  # extra step needed to fetch tags after cloning
-  image: docker:git
-  commands:
-  - git fetch --tags
-
-- name: release
-  image: arduino/arduino-cli:builder-0.1
-  environment:
-    GITHUB_TOKEN:
-      from_secret: github_token
-    AWS_ACCESS_KEY_ID:
-      from_secret: downloads_drone_io_aws_access_key_id
-    AWS_SECRET_ACCESS_KEY:
-      from_secret: downloads_drone_io_aws_secret_access_key
-    AWS_DEFAULT_REGION: 'us-east-1'
-  commands:
-    - goreleaser
-
-trigger:
-  event:
-    # releases are triggered by tags only
-    - tag
-  status:
-    # skip the release if the previous build failed
-    - success
-  ref:
-    exclude:
-    # exclude the tags used to build Docker images for drone
-    - refs/tags/builder-*
-    - refs/tags/drone-*
-    - refs/tags/nightly
-
-depends_on:
-  - test

.github/workflows/release.yaml

+name: release
+
+on:
+  push:
+    tags:
+      - '[0-9].[0-9].[0-9]*'
+
+jobs:
+  publish-release:
+    runs-on: ubuntu-latest
+
+    container:
+      image: arduino/arduino-cli:builder-0.1
+      volumes:
+        # cache go dependencies across pipeline's steps
+        - $PWD/go:/go
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v1
+
+      - name: build
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          AWS_DEFAULT_REGION: 'us-east-1'
+        run: goreleaser