chore(deps): bump snakeyaml from 1.24 to 1.31 in /runner

Bumps [snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 1.24 to 1.31.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-1.31..snakeyaml-1.24)

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

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

Author: dependabot[bot]

runner/pom.xml

@@ -48,7 +48,7 @@
 		<dependency>
 			<groupId>org.yaml</groupId>
 			<artifactId>snakeyaml</artifactId>
-			<version>1.24</version>
+			<version>1.31</version>
 		</dependency>
 		<dependency>
 			<groupId>com.googlecode.owasp-java-html-sanitizer</groupId>