build(deps): bump plugin from 4.16 to 4.21

Created by: dependabot[bot]

Bumps plugin from 4.16 to 4.21.

Release notes

Sourced from plugin's releases.

4.21

📦 Dependency updates

• Revert Spotbugs upgrade to 4.3.0 (#425) @​jglick

4.20

💥 Breaking changes

• Require Maven 3.8.1 (#419) @​daniel-beck

🐛 Bug fixes

• JENKINS-50804 - Pass -P!consume-incrementals during release:perform (#416) @​jglick

📦 Dependency updates

• Bump access-modifier-checker from 1.21 to 1.22 (#424) @​dependabot
• Bump spotbugs-maven-plugin from 4.2.3 to 4.3.0 (#423) @​dependabot
• Bump mockito-core from 3.11.1 to 3.11.2 (#422) @​dependabot
• Bump mockito-core from 3.11.0 to 3.11.1 (#420) @​dependabot
• Bump maven-dependency-plugin from 3.1.2 to 3.2.0 (#421) @​dependabot
• Bump mockito-core from 3.10.0 to 3.11.0 (#417) @​dependabot
• Bump jenkins-test-harness from 1543.v7adf29589ffb to 1589.vc23fca066d5c (#418) @​dependabot

4.19

🚀 New features and improvements

• Generate metadata for reflection on method parameters (#415) @​basil

📦 Dependency updates

• Bump spotbugs-maven-plugin from 4.2.2 to 4.2.3 (#407) @​dependabot
• Bump maven-javadoc-plugin from 3.2.0 to 3.3.0 (#414) @​dependabot
• Bump mockito-core from 3.9.0 to 3.10.0 (#411) @​dependabot
• Bump frontend-maven-plugin from 1.11.3 to 1.12.0 (#412) @​dependabot
• Bump jacoco-maven-plugin from 0.8.6 to 0.8.7 (#410) @​dependabot
• Bump maven-project-info-reports-plugin from 3.1.1 to 3.1.2 (#409) @​dependabot
• Bump jenkins-test-harness from 1529.v4fd5bafdcd33 to 1543.v7adf29589ffb (#408) @​dependabot

4.18

📦 Dependency updates

• Bump mockito-core from 3.8.0 to 3.9.0 (#405) @​dependabot
• Bump jenkins-test-harness from 1521.vaea1e973d086 to 1529.v4fd5bafdcd33 (#406) @​dependabot
• Bump jenkins-test-harness from 1514.v9f0f59194dd4 to 1521.vaea1e973d086 (#404) @​dependabot
• Bump jenkins-test-harness from 1498.v53acb0fd4634 to 1514.v9f0f59194dd4 (#402) @​dependabot

... (truncated)

Commits

• f77da85 [maven-release-plugin] prepare release plugin-4.21
• 3fa85d6 Merge pull request #425 from jenkinsci/suppress-spotbugs
• 47ef271 Revert Spotbugs upgrade to 4.3.0
• 07d591e [maven-release-plugin] prepare for next development iteration
• a93e9ce [maven-release-plugin] prepare release plugin-4.20
• cbf1914 Merge pull request #419 from daniel-beck/maven-3.8.1
• 4219a7f Merge pull request #424 from jenkinsci/dependabot/maven/org.kohsuke-access-mo...
• 8b3ce43 Also need to pin access-modifier-annotation & annotation-indexer & `spotb...
• a59ab44 Merge pull request #423 from jenkinsci/dependabot/maven/com.github.spotbugs-s...
• fe56bff Bump access-modifier-checker from 1.21 to 1.22
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