Update dependency com.github.dasniko:testcontainers-keycloak to v3.9.0 (#2193)

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

Author: renovate[bot]

pom.xml

@@ -421,7 +421,7 @@ and
     <dependency>
       <groupId>com.github.dasniko</groupId>
       <artifactId>testcontainers-keycloak</artifactId>
-      <version>3.8.0</version>
+      <version>3.9.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>