build(deps): bump org.snakeyaml:snakeyaml-engine from 2.7 to 2.8

Bumps [org.snakeyaml:snakeyaml-engine](https://bitbucket.org/snakeyaml/snakeyaml-engine) from 2.7 to 2.8.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml-engine/branches/compare/snakeyaml-engine-2.8..snakeyaml-engine-2.7)

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

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

pom.xml

@@ -96,7 +96,7 @@
     <dependency>
       <groupId>org.snakeyaml</groupId>
       <artifactId>snakeyaml-engine</artifactId>
-      <version>2.7</version>
+      <version>2.8</version>
     </dependency>
     <!-- GraphViz/dot -->
     <dependency>