chore(deps): update sigstore/cosign-installer action to v4.1.1 (#543)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/publish.yaml

@@ -66,7 +66,7 @@ jobs:
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 
-      - uses: sigstore/cosign-installer@ba7bc0a3fef59531c69a25acd34668d6d3fe6f22 # v4.1.0
+      - uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
       - name: Push chart to GHCR
         env:
           COSIGN_EXPERIMENTAL: 1