Bump snakeyaml from 1.26 to 1.29

Bumps [snakeyaml](https://bitbucket.org/asomov/snakeyaml) from 1.26 to 1.29.
- [Commits](https://bitbucket.org/asomov/snakeyaml/branches/compare/snakeyaml-1.29..snakeyaml-1.26)

---
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>

build.gradle

@@ -45,7 +45,7 @@ dependencies {
     }
 
     compile 'software.amazon.awssdk:secretsmanager:2.17.35'
-    compile "org.yaml:snakeyaml:1.26"
+    compile "org.yaml:snakeyaml:1.29"
     compile 'org.apache.commons:commons-text:1.8'
     testCompile 'com.github.stefanbirkner:system-rules:1.18.0'
 }