chore(deps): bump sigstore/cosign-installer from 3.0.2 to 3.0.3 (#55)

Bumps [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](sigstore/cosign-installer@9e9de22...204a51a)

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

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

.github/workflows/release.yaml

@@ -47,7 +47,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@9e9de2292db7abb3f51b7f4808d98f0d347a8919 #pin@v3.0.2
+        uses: sigstore/cosign-installer@204a51a57a74d190b284a0ce69b44bc37201f343 #pin@v3.0.3
 
       - name: Publish and Sign OCI Charts
         run: |