chore: Add GoReleaser and workflow for releasing

Signed-off-by: Alexander Jung <[email protected]>

.github/workflows/release.yaml

@@ -0,0 +1,33 @@
+name: release
+
+on:
+  push:
+    tags: ["v[0-9]+.[0-9]+.[0-9]+"]
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Fetch all tags
+        run: |
+          git config --global --add safe.directory /__w/kraftkit/kraftkit
+          git fetch --force --tags
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v5
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist --skip-validate --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_PAT }}

.goreleaser.yml

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+#! .goreleaser.yaml
+changelog:
+  sort: asc
+  use: github
+  filters:
+    include:
+      - '^.*#[[:digit:]]+.*$'
+  groups:
+  - title: ⚠️ Breaking Changes
+    regexp: '^[[:xdigit:]]+: [[:lower:]]+(\(.*\))?!:.*$'
+    order: 1
+  - title: 🚀 New Features
+    regexp: '^[[:xdigit:]]+: feat(\(.*\))?:.*$'
+    order: 2
+  - title: 🐛 Bug Fixes
+    regexp: '^[[:xdigit:]]+: fix(\(.*\))?:.*$'
+    order: 3
+  - title: 📖 Docs
+    regexp: '^[[:xdigit:]]+: docs(\(.*\))?:.*$'
+    order: 4
+  - title: 🤖 Bumps
+    regexp: '^[[:xdigit:]]+: (gomod|build)\(deps\):.*$'
+    order: 5
+  - title: 🐒 Miscellaneous
+    order: 999
+
+release:
+  github:
+    owner: unikraft
+    name: governance
+  draft: false
+  prerelease: false
+  mode: replace
+  header: |
+    ## `governctl` {{ .Tag }} ({{ .Date }})
+
+    This is a stable release of `governctl`.
+  name_template: 'v{{ .Version }}'
+
+nfpms:
+- vendor: Unikraft
+  id: nfpm-default
+  maintainer: Alexander Jung <[email protected]>
+  description: Build and use highly customized and ultra-lightweight unikernels.
+  license: BSD 3-clause
+  bindir: /usr/local/bin
+  homepage: https://github.com/unikraft/governance
+  formats:
+  - deb
+  - rpm
+  - apk
+
+builds:
+- binary: governctl
+  main: ./cmd/governctl
+  env:
+  - CGO_ENABLED=0
+  - GOMOD=github.com/unikraft/governance
+  goos:
+  - linux
+  - darwin
+  goarch:
+  - amd64
+  - arm64
+  ldflags:
+  - -s -w
+  - -X {{ .Env.GOMOD }}/internal/version.version={{ .Version }}
+  - -X {{ .Env.GOMOD }}/internal/version.commit={{ .Commit }}
+  - -X {{ .Env.GOMOD }}/internal/version.buildTime={{ .Date }}