ci: setup cosmovisor goreleaser workflow (cosmos#10110)

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## Description

Closes: cosmos#10109

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---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

.github/workflows/cosmovisor-release.yml

@@ -0,0 +1,34 @@
+name: Release Cosmovisor
+
+on:
+  push:
+    tags:
+      - "cosmovisor/v*.*.*"
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/[email protected]
+        with:
+          go-version: 1.17
+      # get 'v*.*.*' part from 'cosmovisor/v*.*.*' and save to $GITHUB_ENV
+      - name: Set env
+        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/cosmovisor/}" >> $GITHUB_ENV
+      # remove the possible pre-existing same tag for cosmos-sdk related tags instead of cosmovisor tags
+      # Because goreleaser enforces semantic versioning and will error on non compliant tags.(https://goreleaser.com/limitations/semver/)
+      - name: Tag without prefix locally to avoid error in goreleaser
+        run: |-
+          git tag -d ${{ env.RELEASE_VERSION }} || echo "No such a tag exists before"
+          git tag ${{ env.RELEASE_VERSION }} HEAD
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist --skip-validate
+          workdir: cosmovisor
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GORELEASER_CURRENT_TAG: cosmovisor/${{ env.RELEASE_VERSION }}

cosmovisor/.goreleaser.yml

@@ -0,0 +1,40 @@
+project_name: cosmovisor
+
+release:
+  disable: false
+  name_template: "{{.Tag}}"
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - main: ./cmd/cosmovisor
+    ldflags:
+      - -X 'github.com/cosmos/cosmos-sdk/cosmovisor/cmd/cosmovisor/cmd.Version={{ replace .Version "cosmovisor/" "" }}'
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+    env:
+      - CGO_ENABLED=0
+
+archives:
+  - name_template: '{{ replace .Version "cosmovisor/" "cosmovisor-" }}-{{ .Os }}-{{ .Arch }}'
+    format_overrides:
+      - goos: windows
+        format: zip
+
+checksum:
+  name_template: 'SHA256SUMS-{{ replace .Version "cosmovisor/" "cosmovisor-" }}.txt'
+  algorithm: sha256
+changelog:
+  skip: true
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'