Bump org.yaml:snakeyaml from 1.30 to 1.33

Bumps [org.yaml:snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 1.30 to 1.33.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-1.33..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>

buildSrc/build.gradle

@@ -78,7 +78,7 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.9'
     implementation 'com.thaiopensource:trang:20091111'
     implementation 'net.sourceforge.saxon:saxon:9.1.0.8'
-    implementation 'org.yaml:snakeyaml:1.30'
+    implementation 'org.yaml:snakeyaml:1.33'
     implementation localGroovy()
 
     implementation 'io.github.gradle-nexus:publish-plugin:1.1.0'