Bump org.yaml:snakeyaml from 2.3 to 2.4 (#159)

Bumps [org.yaml:snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 2.3 to 2.4.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-2.4..snakeyaml-2.3)

---
updated-dependencies:
- dependency-name: org.yaml:snakeyaml
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

plugin/pom.xml

@@ -140,7 +140,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>2.3</version>
+            <version>2.4</version>
         </dependency>
 
         <!-- The following dependency might be an upgrade/replacement for jaxb.xml.bind.JAXBContext,