Bump snakeyaml from 1.30 to 1.31 (#804)

Bumps [snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 1.30 to 1.31.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-1.31..snakeyaml-1.30)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

sources/yaml/pom.xml

@@ -13,7 +13,7 @@
     <name>SmallRye: MicroProfile Config Source - Yaml</name>
 
     <properties>
-        <snakeyaml.version>1.30</snakeyaml.version>
+        <snakeyaml.version>1.31</snakeyaml.version>
     </properties>
 
     <dependencies>