Automate releases on tag push

.github/workflows/release.yml

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+name: Release
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Unshallow
+        run: git fetch --prune --unshallow
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.16
+      - name: Import GPG key
+        id: import_gpg
+        uses: hashicorp/[email protected]
+        env:
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+          PASSPHRASE: ${{ secrets.PASSPHRASE }}
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

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+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    mod_timestamp: "{{ .CommitTimestamp }}"
+    flags:
+      - -trimpath
+    ldflags:
+      - "-s -w -X main.version={{ .Version }} -X main.commit={{ .Commit }}"
+    goos:
+      - darwin
+      - freebsd
+      - linux
+      - windows
+    goarch:
+      - "386"
+      - amd64
+      - arm
+      - arm64
+    ignore:
+      - goos: darwin
+        goarch: "386"
+    binary: "{{ .ProjectName }}_v{{ .Version }}"
+
+archives:
+  - format: zip
+    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+
+checksum:
+  algorithm: sha256
+  name_template: "{{ .ProjectName }}_{{ .Version }}_SHA256SUMS"
+
+signs:
+  - artifacts: checksum
+    args:
+      - --batch
+      - --local-user
+      - "{{ .Env.GPG_FINGERPRINT }}"
+      - --output
+      - "${signature}"
+      - --detach-sign
+      - "${artifact}"
+
+changelog:
+  skip: true