Update dependency org.apache.tomcat.embed:tomcat-embed-websocket to v11.0.3 (#209)

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

Author: renovate[bot]

build.gradle

@@ -187,7 +187,7 @@ dependencies {
   implementation group: 'com.github.hmcts', name: 'idam-java-client', version: '3.0.3'
   implementation group: 'com.github.hmcts', name: 'service-auth-provider-java-client', version: '5.3.0'
   implementation group: 'com.github.hmcts', name: 'core-case-data-store-client', version: '5.0.3'
-  implementation 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.2'
+  implementation 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.3'
   implementation 'org.apache.tomcat.embed:tomcat-embed-core:11.0.3'
 
   testImplementation group: 'org.springframework.boot', name: 'spring-boot-starter-test'