Bump snakeyaml from 1.26 to 1.31 (#7)

Bumps [snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 1.26 to 1.31.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-1.31..snakeyaml-1.26)

---
updated-dependencies:
- dependency-name: org.yaml:snakeyaml
  dependency-type: direct:production
...

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

@@ -46,7 +46,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.26</version>
+            <version>1.31</version>
         </dependency>
         <!--
         <dependency>