Update dependency keycloak-js to v21.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
keycloak-js (source)	21.0.2 -> 21.1.1

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Release Notes

keycloak/keycloak

### [`v21.1.1`](https://togithub.com/keycloak/keycloak/compare/21.1.0...21.1.1) [Compare Source](https://togithub.com/keycloak/keycloak/compare/21.1.0...21.1.1) ### [`v21.1.0`](https://togithub.com/keycloak/keycloak/compare/21.0.2...21.1.0) [Compare Source](https://togithub.com/keycloak/keycloak/compare/21.0.2...21.1.0)

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