fix(deps): update dependency com.github.dasniko:testcontainers-keycloak to v3.9.1 (#6988)

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

Author: renovate[bot]

pom.xml

@@ -309,7 +309,7 @@
 
     <!-- Test containers version, should be aligned with version used in Quarkus -->
     <pulsar.testcontainers.version>1.21.3</pulsar.testcontainers.version>
-    <keycloak.testcontainers.version>3.9.0</keycloak.testcontainers.version>
+    <keycloak.testcontainers.version>3.9.1</keycloak.testcontainers.version>
     <embedded-postgres.version>2.2.0</embedded-postgres.version>
     <strimzi.version>0.105.0</strimzi.version>
     <wiremock-jre8.version>3.0.1</wiremock-jre8.version>