Bump sigstore/cosign-installer (#85)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from ef0e9691595ea19ec990a46b1a591dcafe568f34 to 37f387123cf7d4270454d0c351cf673ef28a8662.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@ef0e969...37f3871)

---
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/build-push.yaml

@@ -36,7 +36,7 @@ jobs:
       - run: go version
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@ef0e9691595ea19ec990a46b1a591dcafe568f34 # v3.0.2
+        uses: sigstore/cosign-installer@37f387123cf7d4270454d0c351cf673ef28a8662 # v3.0.2
 
       - name: Cosign login
         shell: bash