Bump snakeyaml from 1.24 to 1.25

Bumps [snakeyaml](https://bitbucket.org/asomov/snakeyaml) from 1.24 to 1.25.
- [Commits](https://bitbucket.org/asomov/snakeyaml/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

pom.xml

@@ -76,7 +76,7 @@
         <fabric8.zjsonpatch.version>0.3.0</fabric8.zjsonpatch.version>
         <prometheus.metrics.version>0.6.0</prometheus.metrics.version>
         <guava.version>23.0</guava.version>
-        <snakeyaml.version>1.23</snakeyaml.version>
+        <snakeyaml.version>1.25</snakeyaml.version>
         <slf4j.version>1.7.16</slf4j.version>
         <junit.version>4.12</junit.version>
     </properties>