build(deps): bump sigstore/cosign-installer from 3.0.2 to 3.0.3 (#97)

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](9e9de2292d...204a51a57a)

---
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/deploy.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f # ratchet:actions/checkout@v3
       - name: Install cosign
-        uses: sigstore/cosign-installer@9e9de2292db7abb3f51b7f4808d98f0d347a8919 # ratchet:sigstore/cosign-installer@main
+        uses: sigstore/cosign-installer@204a51a57a74d190b284a0ce69b44bc37201f343 # ratchet:sigstore/cosign-installer@main
         with:
           cosign-release: 'v2.0.0'
       - name: Verify builder image