build(deps): bump mercurial from 2.15 to 2.16

Created by: dependabot[bot]

Bumps mercurial from 2.15 to 2.16.

Release notes

Sourced from mercurial's releases.

2.16

🚀 New features and improvements

• Use vectorized icon (#184) @​NotMyFault

🐛 Bug fixes

• JENKINS-65175 - Revert ini4j upgrade (#185) @​jglick

📦 Dependency updates

• Bump git-changelist-maven-extension from 1.1 to 1.2 (#175) @​dependabot
• Bump plugin from 4.18 to 4.19 (#174) @​dependabot

📝 Documentation updates

• Expose hook script into documentation (#173) @​KostyaSha

🚦 Tests

• Fixing MercurialRule.registerHook (#186) @​jglick
• No need to override reuseForks (#183) @​jglick

Commits

• 25eeec5 [maven-release-plugin] prepare release mercurial-2.16
• f869141 Merge pull request #186 from jglick/registerHook
• 5b7d524 Merge pull request #185 from jglick/ini4j-JENKINS-65175
• 8bcdc70 Fixing MercurialRule.registerHook
• a462f72 [JENKINS-65175] Revert ini4j upgrade
• 9f3c7b2 Merge pull request #184 from NotMyFault/style/master/update-icons
• 592b2f8 Merge pull request #183 from jglick/reuseForks
• 4834dde style: Use vectorized icon
• ed9e371 No need to override reuseForks
• bb9b9b1 Merge pull request #175 from jenkinsci/dependabot/maven/io.jenkins.tools.incr...
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