chore(deps): bump sigstore/cosign-installer from 3.7.0 to 3.8.0 (#2)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@v3.7.0...v3.8.0)

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

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

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       # More assembly might be required: Docker logins, GPG, etc.
       # It all depends on your needs.
       - uses: mlugg/setup-zig@v1
-      - uses: sigstore/cosign-installer@v3.7.0
+      - uses: sigstore/cosign-installer@v3.8.0
       - uses: anchore/sbom-action/[email protected]
       - uses: docker/setup-qemu-action@v3
       - uses: docker/setup-buildx-action@v3