Upgrading commons-beanutils to 1.9.4

[khushbr]

Fixes #, if available: #247

Description of changes: Upgrading commons-beanutils to 1.9.4. This commons-beanutils:commons-beanutils:1.9.3 is coming from com.puppycrawl.tools:checkstyle:8.20. Added 'checkstyle' plugin with 'com.puppycrawl.tools:checkstyle:8.37' dependency. Also, added checkstyle.xml

checkstyle - The Checkstyle libraries to be used for this project.
\--- com.puppycrawl.tools:checkstyle:8.20
     +--- info.picocli:picocli:3.9.6
     +--- antlr:antlr:2.7.7
     +--- org.antlr:antlr4-runtime:4.7.2
     +--- commons-beanutils:commons-beanutils:1.9.3
     |    \--- commons-collections:commons-collections:3.2.2
     +--- com.google.guava:guava:27.1-jre
     |    +--- com.google.guava:failureaccess:1.0.1
     |    +--- com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava
     |    +--- com.google.code.findbugs:jsr305:3.0.2
     |    +--- org.checkerframework:checker-qual:2.5.2
     |    +--- com.google.errorprone:error_prone_annotations:2.2.0
     |    +--- com.google.j2objc:j2objc-annotations:1.1
     |    \--- org.codehaus.mojo:animal-sniffer-annotations:1.17
     \--- net.sf.saxon:Saxon-HE:9.9.1-2
          \--- com.ibm.icu:icu4j:63.1

Post the Update.

khushbr@3c22fb8556dd performance-analyzer % ./gradlew dependencies | grep commons-beanutils
|    +--- commons-beanutils:commons-beanutils:1.9.4


By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[sruti1312]

Do we want to ignoreFailures?

[khushbr]

Yes, for now. The new checkstyle plugin version is ahead of the gradle checktyle, and brings in a lot of changes for OperatorWrap, CustomImportOrder EmptyLineSeparator etc. Since I want to keep this change minimal, I am putting checkstyleMain.ignoreFailures as true for now.