Bump com.atlassian.plugins:atlassian-plugins-core from 5.3.12 to 8.0.18

Bumps [com.atlassian.plugins:atlassian-plugins-core](https://bitbucket.org/atlassian/atlassian-plugins) from 5.3.12 to 8.0.18.
- [Changelog](https://bitbucket.org/atlassian/atlassian-plugins/src/master/CHANGELOG.md)
- [Commits](https://bitbucket.org/atlassian/atlassian-plugins/branches/compare/atlassian-plugins-parent-8.0.18..atlassian-plugins-parent-5.3.12)

---
updated-dependencies:
- dependency-name: com.atlassian.plugins:atlassian-plugins-core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -69,7 +69,7 @@
       <dependency>
         <groupId>com.atlassian.plugins</groupId>
         <artifactId>atlassian-plugins-core</artifactId>
-        <version>5.3.12</version>
+        <version>8.0.18</version>
       </dependency>
       <dependency>
         <groupId>org.json</groupId>