Bump the atlassian group with 3 updates

Bumps the atlassian group with 3 updates: com.atlassian.plugins:atlassian-plugins-core, [com.atlassian.jira:jira-rest-java-client-api](https://bitbucket.org/atlassian/jira-rest-java-client) and [com.atlassian.jira:jira-rest-java-client-core](https://bitbucket.org/atlassian/jira-rest-java-client).


Updates `com.atlassian.plugins:atlassian-plugins-core` from 8.2.1 to 9.0.0

Updates `com.atlassian.jira:jira-rest-java-client-api` from 6.0.2 to 7.0.1
- [Changelog](https://bitbucket.org/atlassian/jira-rest-java-client/src/master/release.properties)
- [Commits](https://bitbucket.org/atlassian/jira-rest-java-client/branches/compare/jira-rest-java-client-parent-7.0.1..jira-rest-java-client-parent-6.0.2)

Updates `com.atlassian.jira:jira-rest-java-client-core` from 6.0.2 to 7.0.1
- [Changelog](https://bitbucket.org/atlassian/jira-rest-java-client/src/master/release.properties)
- [Commits](https://bitbucket.org/atlassian/jira-rest-java-client/branches/compare/jira-rest-java-client-parent-7.0.1..jira-rest-java-client-parent-6.0.2)

Updates `com.atlassian.jira:jira-rest-java-client-core` from 6.0.2 to 7.0.1
- [Changelog](https://bitbucket.org/atlassian/jira-rest-java-client/src/master/release.properties)
- [Commits](https://bitbucket.org/atlassian/jira-rest-java-client/branches/compare/jira-rest-java-client-parent-7.0.1..jira-rest-java-client-parent-6.0.2)

---
updated-dependencies:
- dependency-name: com.atlassian.plugins:atlassian-plugins-core
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: atlassian
- dependency-name: com.atlassian.jira:jira-rest-java-client-api
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: atlassian
- dependency-name: com.atlassian.jira:jira-rest-java-client-core
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: atlassian
- dependency-name: com.atlassian.jira:jira-rest-java-client-core
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: atlassian
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -50,7 +50,7 @@
     <revision>3.20</revision>
     <changelist>-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
-    <jira-rest-client.version>6.0.2</jira-rest-client.version>
+    <jira-rest-client.version>7.0.1</jira-rest-client.version>
     <fugue.version>4.7.2</fugue.version>
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
     <jenkins.baseline>2.492</jenkins.baseline>
@@ -71,7 +71,7 @@
       <dependency>
         <groupId>com.atlassian.plugins</groupId>
         <artifactId>atlassian-plugins-core</artifactId>
-        <version>8.2.1</version>
+        <version>9.0.0</version>
       </dependency>
     </dependencies>
   </dependencyManagement>