Move snakeyaml off of compile time classpath (#5999)

Author: lihaoyi

integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.iml

@@ -107,7 +107,7 @@
         <orderEntry type="library" scope="PROVIDED" name="scala3-library_3-3.3.3.jar" level="project"/>
         <orderEntry type="library" name="scala3-library_3-3.7.3.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="slf4j-api-2.0.17.jar" level="project"/>
-        <orderEntry type="library" name="snakeyaml-engine-2.10.jar" level="project"/>
+        <orderEntry type="library" scope="RUNTIME" name="snakeyaml-engine-2.10.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="sonatype-central-client-core_3-0.5.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="sonatype-central-client-requests_3-0.5.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="sonatype-central-client-upickle_3-0.5.0.jar" level="project"/>

integration/ide/gen-idea/resources/hello-idea/idea/mill_modules/mill-build.iml

@@ -103,7 +103,7 @@
         <orderEntry type="library" scope="PROVIDED" name="scala3-library_3-3.3.3.jar" level="project"/>
         <orderEntry type="library" name="scala3-library_3-3.7.3.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="slf4j-api-2.0.17.jar" level="project"/>
-        <orderEntry type="library" name="snakeyaml-engine-2.10.jar" level="project"/>
+        <orderEntry type="library" scope="RUNTIME" name="snakeyaml-engine-2.10.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="sonatype-central-client-core_3-0.5.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="sonatype-central-client-requests_3-0.5.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="sonatype-central-client-upickle_3-0.5.0.jar" level="project"/>

libs/script/package.mill

@@ -10,7 +10,6 @@ import millbuild.*
  */
 object `package` extends MillPublishScalaModule with BuildInfo {
   def moduleDeps = Seq(build.core.api, build.libs.scalalib, build.libs.kotlinlib)
-  def mvnDeps = Seq(Deps.snakeyamlEngine)
   def runModuleDeps = Seq(build.core.internal)
   def compileModuleDeps = Seq(build.core.internal)