Fix broken hyperlink for 'Cosign Keyless Signatures' in "Verify Signed Kubernetes Artifacts" guide (#44235)

* fix broken links to cosign signing page

* remove changes to zn translation

* change link to https://docs.sigstore.dev/signing/overview/

Author: Shegox

content/en/docs/tasks/administer-cluster/verify-signed-artifacts.md

@@ -51,7 +51,7 @@ cosign verify-blob "$BINARY" \
 {{< note >}}
 Cosign 2.0 requires the `--certificate-identity` and `--certificate-oidc-issuer` options.
 
-To learn more about keyless signing, please refer to [Keyless Signatures](https://docs.sigstore.dev/cosign/keyless).
+To learn more about keyless signing, please refer to [Keyless Signatures](https://docs.sigstore.dev/signing/overview/).
 
 Previous versions of Cosign required that you set `COSIGN_EXPERIMENTAL=1`.