Update release.yaml - fix release by pinning cosign version to v2.6.1 (#361)

Signed-off-by: Mathieu Benoit <[email protected]>

Author: mathieu-benoit

.github/workflows/release.yaml

@@ -25,6 +25,8 @@ jobs:
           go-version-file: 'go.mod'
       - name: Install Cosign
         uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
+        with:
+          cosign-release: "v2.6.1"
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
         with: