Merge pull request cli#11326 from cli/update-release-shared-ownership

update ownership of pkg/cmd/release/shared/

Author: BagToad

.github/CODEOWNERS

@@ -5,9 +5,10 @@ internal/codespaces/ @cli/codespaces
 
 # Limit Package Security team ownership to the attestation command package and related integration tests
 pkg/cmd/attestation/ @cli/package-security
-pkg/cmd/release/attestation @cli/package-security
-pkg/cmd/release/verify @cli/package-security
-pkg/cmd/release/verify-asset @cli/package-security
+pkg/cmd/release/attestation/ @cli/package-security
+pkg/cmd/release/verify/ @cli/package-security
+pkg/cmd/release/verify-asset/ @cli/package-security
+pkg/cmd/release/shared/ @cli/package-security
 
 test/integration/attestation-cmd @cli/package-security