647.vf474049b_b_303

👷 Changes for plugin developers

• Remove commons-lang2 usage (#749) @gbhat618

📝 Documentation updates

• Move docs from cloudbees page to github (#737) @RanjitCS

📦 Dependency updates

• Bump org.jenkins-ci.plugins:plugin from 6.2153.vcf31911d10c4 to 6.2189.v695a_c41f5249 (#747) @dependabot[bot]
• Bump org.jenkins-ci.plugins:plugin from 6.2138.v03274d462c13 to 6.2153.vcf31911d10c4 (#746) @dependabot[bot]
• Bump org.jenkins-ci.plugins:plugin from 5.2102.v5f5fe09fccf1 to 6.2138.v03274d462c13 (#742) @dependabot[bot]
• Bump org.jenkins-ci.plugins:plugin from 5.28 to 5.2102.v5f5fe09fccf1 (#736) @dependabot[bot]
• Bump io.jenkins.tools.incrementals:git-changelist-maven-extension from 1.8 to 1.13 (#363) @dependabot[bot]
• Bump org.jenkins-ci.plugins:plugin from 5.18 to 5.28 (#368) @dependabot[bot]