Bump org.jenkins-ci.plugins:mercurial (#107)

Bumps [org.jenkins-ci.plugins:mercurial](https://github.com/jenkinsci/mercurial-plugin) from 1260.vdfb_723cdcc81 to 1309.v6802b_f0efb_b_9.
- [Release notes](https://github.com/jenkinsci/mercurial-plugin/releases)
- [Changelog](https://github.com/jenkinsci/mercurial-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/mercurial-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:mercurial
  dependency-type: direct:production
...

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Author: dependabot[bot]

pom.xml

@@ -71,7 +71,7 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>mercurial</artifactId>
-            <version>1260.vdfb_723cdcc81</version>
+            <version>1309.v6802b_f0efb_b_9</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>