fix(deps): update dependency org.keycloak:keycloak-admin-client to v26

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.keycloak:keycloak-admin-client (source)	25.0.0 -> 26.0.4

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[Agitolyev]

Hi , @augi. Is there a plan to address this upgrade? I believe 25.X.X Keycloak versions also contain vulnerabilities addressed only in 26.X.X versions.

[augi]

Unfortunately, it is not so straightforward, please check #537