[ISSUE #4700] fix: exclude spring-boot-starter-logging

[fabian4]

Fixes #4700

Motivation

Run org.apache.eventmesh.tcp.demo.pub.cloudevents.SyncRequest Failed

> Task :eventmesh-examples:SyncRequest.main() FAILED
22 actionable tasks: 1 executed, 1 from cache, 20 up-to-date
Exception in thread "main" java.lang.ExceptionInInitializerError
Caused by: org.apache.logging.log4j.LoggingException: log4j-slf4j2-impl cannot be present with log4j-to-slf4j
	at org.apache.logging.slf4j.Log4jLoggerFactory.validateContext(Log4jLoggerFactory.java:67)
	at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:49)
	at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:32)
	at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:52)
	at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:426)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:451)
	at org.apache.eventmesh.tcp.demo.pub.cloudevents.SyncRequest.<clinit>(SyncRequest.java:41)

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':eventmesh-examples:SyncRequest.main()'.

Modifications

exclude spring-boot-starter-logging in eventmesh-examples/build.gradle

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[Pil0tXia]

This change is included in be06ef7 of #4831 but haven't merged yet.

#4831 is ready for merge. May you please help review?

[Pil0tXia]

Please check current master branch~ This issue should have been fixed.