[hotfix][build] Add distributionSha256Sum check for maven wrapper

Author: snuyanzin

.mvn/wrapper/maven-wrapper.properties

@@ -17,3 +17,4 @@
 wrapperVersion=3.3.2
 distributionType=only-script
 distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.6/apache-maven-3.8.6-bin.zip
+distributionSha256Sum=ccf20a80e75a17ffc34d47c5c95c98c39d426ca17d670f09cd91e877072a9309

website/community/dev/ide-setup.md

@@ -217,4 +217,4 @@ Go to "Settings" → "Build, Execution, Deployment" → "Compiler" → "Java Com
 
 This happens if Fluss dependencies are set to "provided", resulting in them not being available
 on the classpath. You can either check "Include dependencies with 'Provided' scope" in your
-run configuration, or create a test that calls the `main()` method of the example.
+run configuration, or create a test that calls the `main()` method of the example.