Bump org.java-websocket:Java-WebSocket from 1.5.3 to 1.5.6

Bumps [org.java-websocket:Java-WebSocket](https://github.com/TooTallNate/Java-WebSocket) from 1.5.3 to 1.5.6.
- [Release notes](https://github.com/TooTallNate/Java-WebSocket/releases)
- [Changelog](https://github.com/TooTallNate/Java-WebSocket/blob/master/CHANGELOG.md)
- [Commits](TooTallNate/Java-WebSocket@v1.5.3...v1.5.6)

---
updated-dependencies:
- dependency-name: org.java-websocket:Java-WebSocket
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -61,15 +61,15 @@ ext {
     equalsVerifierVersion = "3.16.1"
     feignCoreVersion = "13.2.1"
     feignGsonVersion = "13.2.1"
-    javaWebSocketVersion = "1.5.3"
+    javaWebSocketVersion = "1.5.6"
     gsonVersion = "2.11.0"
     guavaVersion = "33.2.1-jre"
     hamcrestJsonVersion = "0.3"
     hamcrestOptionalVersion = "2.0.0"
     hamcrestVersion = "2.0.0.0"
     jacksonDataTypeVersion = "2.17.1"
     jakartaMailVersion = "2.0.1"
-    javaWebsocketVersion = "1.5.3"
+    javaWebsocketVersion = "1.5.6"
     javaxActivationVersion = "1.1.1"
     jaxbApiVersion = "2.3.1"
     jaxbCoreVersion = "4.0.5"