ci: setup release workflow

.github/workflows/release.yaml

@@ -0,0 +1,22 @@
+name: release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+
+      - uses: ko-build/setup-ko@v0.7
+      - run: ko build --bare --tags ${{ github.ref_name }}

.ko.yaml

@@ -0,0 +1,3 @@
+defaultPlatforms:
+  - linux/arm64
+  - linux/amd64