ci(release): 🚀 Add release automation with GoReleaser

Implements automated release pipeline using GitHub Actions and GoReleaser.

- Configures GoReleaser to build for multiple platforms (linux/darwin/windows)
- Sets up GPG signing for release artifacts
- Configures Gitea as release target with custom API endpoints
- Implements semantic changelog generation with categorized groups
- Adds GitHub Actions workflow triggered on version tags

.github/workflows/release.yaml

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+name: ci
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v6
+        with:
+          go-version: ">=1.25.1"
+      - name: Test code
+        run: make test
+      - name: Import GPG key
+        id: import_gpg
+        uses: https://github.com/crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      - name: Run GoReleaser
+        uses: https://github.com/goreleaser/goreleaser-action@v6
+        env:
+          GITEA_TOKEN: ${{ secrets.PACKAGES_TOKEN }}
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
+        with:
+          args: release --clean

.goreleaser.yaml

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+version: 2
+
+before:
+  hooks:
+    - go mod tidy
+    - go generate ./...
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - darwin
+      - windows
+    goarch:
+      - amd64
+      - arm64
+
+archives:
+  - formats: [tar.gz]
+    # this name template makes the OS and Arch compatible with the results of `uname`.
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    # use zip for windows archives
+    format_overrides:
+      - goos: windows
+        formats: [zip]
+
+signs:
+  - artifacts: checksum
+    cmd: gpg
+    args:
+      - "--batch"
+      - "-u"
+      - "{{ .Env.GPG_FINGERPRINT }}"
+      - "--output"
+      - "${signature}"
+      - "--detach-sign"
+      - "${artifact}"
+
+changelog:
+  abbrev: 10
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+  format: "{{.SHA}}: {{.Message}}"
+  groups:
+    - title: Features
+      regexp: '^.*?feat(\([[:word:]]+\))??!?:.+$'
+      order: 0
+    - title: "Bug fixes"
+      regexp: '^.*?fix(\([[:word:]]+\))??!?:.+$'
+      order: 1
+    - title: "Chores"
+      regexp: '^.*?chore(\([[:word:]]+\))??!?:.+$'
+      order: 2
+    - title: Others
+      order: 999
+  sort: asc
+
+release:
+  gitea:
+    owner: DevFW-CICD
+    name: garm-provider-edge-connect
+
+force_token: gitea
+gitea_urls:
+  api: https://edp.buildth.ing/api/v1
+  download: https://edp.buildth.ing
+  # set to true if you use a self-signed certificate
+  skip_tls_verify: false