Bump checkstyle from 6.15 to 8.18 in /uber-plugins#1

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masterStreamSimple/uber-poms:masterfrom

dependabot/maven/uber-plugins/com.puppycrawl.tools-checkstyle-8.18StreamSimple/uber-poms:dependabot/maven/uber-plugins/com.puppycrawl.tools-checkstyle-8.18Copy head branch name to clipboard