Bump pl.allegro.tech.hermes:hermes-client from 2.5.5 to 2.5.6

Bumps [pl.allegro.tech.hermes:hermes-client](https://github.com/allegro/hermes) from 2.5.5 to 2.5.6.
- [Release notes](https://github.com/allegro/hermes/releases)
- [Changelog](https://github.com/allegro/hermes/blob/master/RELEASE_FLOW.md)
- [Commits](allegro/hermes@hermes-2.5.5...hermes-2.5.6)

---
updated-dependencies:
- dependency-name: pl.allegro.tech.hermes:hermes-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

part2.3-message-broker/build.gradle

@@ -19,7 +19,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'org.springframework:spring-webflux'
     implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.3.0'
-    implementation 'pl.allegro.tech.hermes:hermes-client:2.5.5'
+    implementation 'pl.allegro.tech.hermes:hermes-client:2.5.6'
     implementation 'org.eclipse.jetty:jetty-reactive-httpclient:4.0.2'
     implementation 'io.projectreactor.netty:reactor-netty:1.1.15'