deps: update camunda/keycloak docker tag to v26.3.2 (#4115)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

charts/camunda-platform-8.7/values-latest.yaml

@@ -71,7 +71,7 @@ identityKeycloak:
   # https://hub.docker.com/r/bitnami/keycloak/tags
   image:
     repository: camunda/keycloak
-    tag: 26.3.1
+    tag: 26.3.2
   postgresql:
     # https://hub.docker.com/r/bitnami/postgresql/tags
     image: