downgrade snakeyaml to fix issues with comments

this was done by upstream, but got missed. Thanks @mrfloris for pointing this out.

patches/api/0002-Build-system-changes.patch

@@ -5,13 +5,13 @@ Subject: [PATCH] Build system changes
 
 
 diff --git a/build.gradle.kts b/build.gradle.kts
-index b378772dce6fddf0a3f24e1c48667602fc356e51..c54be6e9df689433a8aa280541cf9366609a3c27 100644
+index e74ac6187426c9468e551e9d068d05534e2ad6fe..b1a33fdfd6495e5243315312aca97c2512a64dcc 100644
 --- a/build.gradle.kts
 +++ b/build.gradle.kts
 @@ -17,12 +17,14 @@ dependencies {
      api("com.google.code.gson:gson:2.8.0")
      api("net.md-5:bungeecord-chat:1.16-R0.4")
-     api("org.yaml:snakeyaml:1.29")
+     api("org.yaml:snakeyaml:1.28")
 +    api("com.googlecode.json-simple:json-simple:1.1.1") // Paper
  
      compileOnly("org.apache.maven:maven-resolver-provider:3.8.1")