Update dependency org.scala-lang.modules:scala-xml_2.13 to v2.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.scala-lang.modules:scala-xml_2.13 (source)	2.3.0 -> 2.4.0

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Release Notes

scala/scala-xml (org.scala-lang.modules:scala-xml_2.13)

v2.4.0: 2.4.0

Notable Changes

Use immutable.Seq: for Scala 3 and 2.13, the result type of Node.child / Node.nonEmptyChildren / Node.attribute is changed from collection.Seq to immutable.Seq (https://github.com/scala/scala-xml/pull/760)

• Scala 2.13 changed the default scala.Seq alias to immutable.Seq, but the scala-xml library continued to use collection.Seq. This often results in .toSeq conversions when using scala-xml in Scala 3 or 2.13.
• scala-xml was always immutable in spirit, NodeSeq extends immutable.Seq
• A related change to the Scala compiler is under review to encode XML literals as Vector[Node]

Other Changes

• Fix code point for darr entity (https://github.com/scala/scala-xml/pull/729)
• NodeBuffer.&+ returns this.type (https://github.com/scala/scala-xml/pull/744)

Full Changelog: scala/scala-xml@v2.3.0...v2.4.0

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[coveralls]

coverage: 0.0%. remained the same
when pulling ab09c2f on renovate/org.scala-lang.modules-scala-xml_2.13-2.x
into 4f75f32 on master.