Rename pipelines and release binary and image when tagged

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

.github/workflows/release.yml

@@ -1,18 +1,38 @@
 ---
-name: 'Build enki image'
+name: 'Release enki'
 
 on:
   push:
-    branches:
-      - main
     tags:
-      - '*'
+      - 'v*'
+
 concurrency:
-  group: enki-image-${{ github.ref || github.head_ref }}
+  group: release-enki-${{ github.ref || github.head_ref }}
   cancel-in-progress: true
 
 jobs:
-  docker:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          git fetch --prune --unshallow
+      - name: Generate version
+        run: echo "VERSION=$(git describe --always --tags --dirty)" >> $GITHUB_ENV
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ^1.20
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v5
+        with:
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ env.VERSION }}
+
+  build-image:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout