Setup Go toolchain for release workflow

Signed-off-by: Stefan Prodan <[email protected]>

.github/workflows/release.yml

@@ -28,6 +28,10 @@ jobs:
       packages: write # needed for ghcr access
     steps:
       - uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22.x
       - uses: fluxcd/flux2/action@main
       - uses: sigstore/[email protected]
       - name: Prepare