Bump sigstore/cosign-installer from 3.5.0 to 3.6.0 (#163)

* Bump sigstore/cosign-installer from 3.5.0 to 3.6.0

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.5.0 to 3.6.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.5.0...v3.6.0)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Bump cosign to v2.4.0

Signed-off-by: Marco Franssen <[email protected]>

---------

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: Marco Franssen <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Marco Franssen <[email protected]>

.github/workflows/release.yml

@@ -35,9 +35,9 @@ jobs:
           git config user.email "[email protected]"
 
       - name: Setup cosign
-        uses: sigstore/cosign-installer@v3.5.0
+        uses: sigstore/cosign-installer@v3.6.0
         with:
-          version: v2.2.4
+          version: v2.4.0
 
       - name: Set up Helm
         uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0