improvement: Bump giter8 and make sure it gets updated automatically

Fixes scalameta#6146

build.sbt

@@ -526,9 +526,9 @@ lazy val metals = project
       "bloopConfigVersion" -> V.bloopConfig,
       "bloopNightlyVersion" -> V.bloop,
       "sbtBloopVersion" -> V.sbtBloop,
+      "gitter8Version" -> V.gitter8Version,
       "gradleBloopVersion" -> V.gradleBloop,
       "mavenBloopVersion" -> V.mavenBloop,
-      "gradleBloopVersion" -> V.gradleBloop,
       "scalametaVersion" -> V.scalameta,
       "semanticdbVersion" -> V.semanticdb(scalaVersion.value),
       "javaSemanticdbVersion" -> V.javaSemanticdb,
@@ -782,6 +782,7 @@ lazy val metalsDependencies = project
       "ch.epfl.scala" %% "gradle-bloop" % V.gradleBloop,
       "com.sourcegraph" % "semanticdb-java" % V.javaSemanticdb,
       "ch.epfl.scala" %% "scala-debug-adapter" % V.debugAdapter intransitive (),
+      "org.foundweekends.giter8" %% "giter8" % V.gitter8Version intransitive (),
     ),
   )
   .disablePlugins(ScalafixPlugin)

metals/src/main/scala/scala/meta/internal/builds/NewProjectProvider.scala

@@ -7,6 +7,7 @@ import scala.concurrent.Future
 import scala.util.Try
 import scala.util.matching.Regex
 
+import scala.meta.internal.metals.BuildInfo
 import scala.meta.internal.metals.ClientCommands
 import scala.meta.internal.metals.ClientConfiguration
 import scala.meta.internal.metals.Icons
@@ -35,7 +36,7 @@ class NewProjectProvider(
   private val templatesUrl =
     "https://github.com/foundweekends/giter8/wiki/giter8-templates.md"
   private val giterDependency = Dependency
-    .of("org.foundweekends.giter8", "giter8_2.12", "0.13.0-M1")
+    .of("org.foundweekends.giter8", "giter8_2.12", BuildInfo.gitter8Version)
   // equal to cmd's: g8 playframework/play-scala-seed.g8 --name=../<<name>>
   private val giterMain = "giter8.Giter8"
 

project/V.scala

@@ -27,6 +27,7 @@ object V {
   // After each update of coursier interfaces, remember to bump the version in dotty repository.
   val debugAdapter = "4.0.1"
   val genyVersion = "1.0.0"
+  val gitter8Version = "0.16.2"
   val gradleBloop = "1.6.2"
   val java8Compat = "1.0.2"
   val javaSemanticdb = "0.9.9"