Update coursier to 2.1.25-M3 (com-lihaoyi#4725)

This updates coursier to
[`2.1.25-M3`](https://github.com/coursier/coursier/releases/tag/v2.1.25-M3),
that improves Gradle Module support. I'll experiment with enabling it in
Mill in [another PR](com-lihaoyi#4626).

Author: alexarchambault

build.mill

@@ -127,7 +127,7 @@ object Deps {
   val asmTree = ivy"org.ow2.asm:asm-tree:9.7.1"
   val bloopConfig = ivy"ch.epfl.scala::bloop-config:1.5.5".withDottyCompat(scalaVersion)
 
-  val coursierVersion = "2.1.25-M2"
+  val coursierVersion = "2.1.25-M3"
   val coursier = ivy"io.get-coursier::coursier:$coursierVersion".withDottyCompat(scalaVersion)
   val coursierInterface = ivy"io.get-coursier:interface:1.0.29-M1"
   val coursierJvm =

scalalib/src/mill/scalalib/JsonFormatters.scala

@@ -23,6 +23,15 @@ trait JsonFormatters {
       _.asString,
       coursier.version.Version(_)
     )
+  implicit lazy val variantMatcherFormat: RW[coursier.core.VariantSelector.VariantMatcher] =
+    RW.merge(
+      upickle.default.macroRW[coursier.core.VariantSelector.VariantMatcher.Api.type],
+      upickle.default.macroRW[coursier.core.VariantSelector.VariantMatcher.Runtime.type],
+      upickle.default.macroRW[coursier.core.VariantSelector.VariantMatcher.Equals],
+      upickle.default.macroRW[coursier.core.VariantSelector.VariantMatcher.MinimumVersion],
+      upickle.default.macroRW[coursier.core.VariantSelector.VariantMatcher.AnyOf],
+      upickle.default.macroRW[coursier.core.VariantSelector.VariantMatcher.EndsWith]
+    )
   implicit lazy val variantSelectorFormat: RW[coursier.core.VariantSelector] =
     RW.merge(
       upickle.default.macroRW[coursier.core.VariantSelector.ConfigurationBased],
@@ -198,5 +207,17 @@ object JsonFormatters extends JsonFormatters {
     given Root_coursier_core_Project
         : Mirrors.Root[coursier.core.Project] =
       Mirrors.autoRoot[coursier.core.Project]
+    given Root_coursier_core_VariantSelector_VariantMatcher_Equals
+        : Mirrors.Root[coursier.core.VariantSelector.VariantMatcher.Equals] =
+      Mirrors.autoRoot[coursier.core.VariantSelector.VariantMatcher.Equals]
+    given Root_coursier_core_VariantSelector_VariantMatcher_MinimumVersion
+        : Mirrors.Root[coursier.core.VariantSelector.VariantMatcher.MinimumVersion] =
+      Mirrors.autoRoot[coursier.core.VariantSelector.VariantMatcher.MinimumVersion]
+    given Root_coursier_core_VariantSelector_VariantMatcher_AnyOf
+        : Mirrors.Root[coursier.core.VariantSelector.VariantMatcher.AnyOf] =
+      Mirrors.autoRoot[coursier.core.VariantSelector.VariantMatcher.AnyOf]
+    given Root_coursier_core_VariantSelector_VariantMatcher_EndsWith
+        : Mirrors.Root[coursier.core.VariantSelector.VariantMatcher.EndsWith] =
+      Mirrors.autoRoot[coursier.core.VariantSelector.VariantMatcher.EndsWith]
   }
 }