Bump snakeyaml from 1.14 to 1.26 in /benchmark

Bumps [snakeyaml](https://bitbucket.org/asomov/snakeyaml) from 1.14 to 1.26.
- [Commits](https://bitbucket.org/asomov/snakeyaml/commits/tag/snakeyaml-1.26)

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

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

Author: dependabot[bot]

benchmark/pom.xml

@@ -56,7 +56,7 @@
     <dependency>
       <groupId>org.yaml</groupId>
       <artifactId>snakeyaml</artifactId>
-      <version>1.14</version>
+      <version>1.26</version>
     </dependency>
     <dependency>
       <groupId>de.sven-jacobs</groupId>