build(deps): bump sigstore/cosign-installer in the gh-actions group (#280)

Bumps the gh-actions group with 1 update: [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer).


Updates `sigstore/cosign-installer` from 3.5.0 to 3.6.0
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](https://github.com/sigstore/cosign-installer/compare/59acb6260d9c0ba8f4a2f9d9b48431a222b68e20...4959ce089c160fddf62f7b42464195ba1a56d382)

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

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

.github/workflows/deploy.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # ratchet:actions/checkout@v4
       - name: Install cosign
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # ratchet:sigstore/cosign-installer@main
+        uses: sigstore/cosign-installer@4959ce089c160fddf62f7b42464195ba1a56d382 # ratchet:sigstore/cosign-installer@main
         with:
           cosign-release: 'v2.2.3'
       - name: Verify runner image