chore(deps): bump sigstore/cosign-installer (#5104)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from a5d81fb6bdbcbb3d239e864d6552820420254494 to 4a861528be5e691840a69536975ada1d4c30349d.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@a5d81fb...4a86152)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
...

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

.github/workflows/reusable-release.yaml

@@ -36,7 +36,7 @@ jobs:
           remove-haskell: 'true'
 
       - name: Cosign install
-        uses: sigstore/cosign-installer@a5d81fb6bdbcbb3d239e864d6552820420254494
+        uses: sigstore/cosign-installer@4a861528be5e691840a69536975ada1d4c30349d
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2