build(deps-dev): bump com.diffplug.spotless:spotless-maven-plugin from 3.3.0 to 3.4.0#101

github-actions[bot] merged 1 commit intomainslack-samples/bolt-java-custom-step-template:mainfrom

dependabot/maven/com.diffplug.spotless-spotless-maven-plugin-3.4.0slack-samples/bolt-java-custom-step-template:dependabot/maven/com.diffplug.spotless-spotless-maven-plugin-3.4.0Copy head branch name to clipboard