Bump sigstore/cosign-installer from 3.9.0 to 3.9.1 (#228)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@fb28c2b...398d4b0)

---
updated-dependencies:
- dependency-name: sigstore/cosign-installer
  dependency-version: 3.9.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/docker-build-push.yml

@@ -55,7 +55,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
       - name: Install cosign
         if: github.ref == 'refs/heads/main'
-        uses: sigstore/cosign-installer@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3 # v3.9.0
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3.9.1
       - name: Sign the Docker image
         if: github.ref == 'refs/heads/main'
         working-directory: ${{ env.IMAGE }}

.github/workflows/docker-release.yml

@@ -49,7 +49,7 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
       - name: Install cosign
-        uses: sigstore/cosign-installer@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3 # v3.9.0
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3.9.1
       - name: Sign the Docker image
         working-directory: ${{ env.IMAGE }}
         env:

.github/workflows/dockerhub.yml

@@ -29,7 +29,7 @@ jobs:
         shell: bash
         run: docker buildx imagetools inspect "${GITHUB_REPOSITORY_OWNER}/${IMAGE}:${{ matrix.tag }}" --format "{{ json (index .SBOM \"${{ matrix.platform }}\").SPDX }}"
       - name: Install cosign
-        uses: sigstore/cosign-installer@fb28c2b6339dcd94da6e4cbcbc5e888961f6f8c3 # v3.9.0
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3.9.1
       - name: Verify the ${{ matrix.tag }} image signature
         shell: bash
         run: |