Bump SnakeYAML to the last 1.x version

Fixes #1047. We can't go any higher since that's an API-breaking change. In any event, this will likely disappear in 5.0.0 anyway, because Configurate 4.x now shades SnakeYAML internally.

api/build.gradle.kts

@@ -33,6 +33,8 @@ dependencies {
     api("net.kyori:adventure-text-logger-slf4j")
     api("net.kyori:adventure-text-serializer-ansi")
 
+    api(libs.snakeyaml)
+
     api(libs.slf4j)
     api(libs.guice)
     api(libs.checker.qual)

gradle/libs.versions.toml

@@ -48,6 +48,7 @@ netty-handler = { module = "io.netty:netty-handler", version.ref = "netty" }
 netty-transport-native-epoll = { module = "io.netty:netty-transport-native-epoll", version.ref = "netty" }
 nightconfig = "com.electronwill.night-config:toml:3.6.6"
 slf4j = "org.slf4j:slf4j-api:2.0.7"
+snakeyaml = "org.yaml:snakeyaml:1.33"
 spotbugs-annotations = "com.github.spotbugs:spotbugs-annotations:4.7.3"
 terminalconsoleappender = "net.minecrell:terminalconsoleappender:1.3.0"