ci: Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,20 @@
+name: Release
+
+on:
+  release:
+    types: [created]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Cargo publish
+        run: cargo publish --token ${{ secrets.CARGO_API_KEY }}