RFR: 8079: Issue in Dev environment due to maven-checkstyle-plugin

[Virag Purnam]

There was any issue in dev environment of eclipse IDE after introducing **maven-checkstyle-plugin**. Refer the screen shot below. 


<img width="935" alt="Issue" src="https://github.com/openjdk/jmc/assets/97600378/0e3d8a3a-58fc-4545-a70e-1f718f8fd2de">



Issue has been addressed by ignoring the execution. 
--release issue has been addressed too with this commit. Committed the **application/org.openjdk.jmc.browser.attach/.settings/org.eclipse.jdt.core.prefs** file.

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Commit messages:
 - 8079: Issue in Dev environment due to maven-checkstyle-plugin

Changes: https://git.openjdk.org/jmc/pull/490/files
 Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=490&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-8079
  Stats: 41 lines in 3 files changed: 41 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jmc/pull/490.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/490/head:pull/490

PR: https://git.openjdk.org/jmc/pull/490