Bump keycloak-js from 25.0.6 to 26.1.2 in /client

Bumps [keycloak-js](https://github.com/keycloak/keycloak) from 25.0.6 to 26.1.2.
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.6...26.1.2)

---
updated-dependencies:
- dependency-name: keycloak-js
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

client/package-lock.json

@@ -46,7 +46,7 @@
     "i18n-iso-countries": "7.13.0",
     "jszip": "3.10.1",
     "jwt-decode": "4.0.0",
-    "keycloak-js": "25.0.6",
+    "keycloak-js": "26.1.2",
     "mantine-datatable": "7.15.1",
     "phosphor-react": "1.4.1",
     "react": "18.3.1",