Bump commonmark from 0.18.0 to 0.18.1 (#24)

Bumps [commonmark](https://github.com/commonmark/commonmark-java) from 0.18.0 to 0.18.1.
- [Release notes](https://github.com/commonmark/commonmark-java/releases)
- [Changelog](https://github.com/commonmark/commonmark-java/blob/main/CHANGELOG.md)
- [Commits](https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1)

---
updated-dependencies:
- dependency-name: org.commonmark:commonmark
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

flatmap-basemap/pom.xml

@@ -26,7 +26,7 @@
     <dependency>
       <groupId>org.commonmark</groupId>
       <artifactId>commonmark</artifactId>
-      <version>0.18.0</version>
+      <version>0.18.1</version>
     </dependency>
 
     <dependency>