update unwrappedVersion to fix the issue

Author: alexklibisz

modules/core/src/main/scala/org/scalasteward/core/edit/update/data/ModulePosition.scala

@@ -29,5 +29,5 @@ final case class ModulePosition(
     version: Substring.Position
 ) {
   def unwrappedVersion: String =
-    version.value.dropWhile(Set('"', '$', '{')).reverse.dropWhile(Set('"', '}')).reverse
+    version.value.dropWhile(Set('"', '$', '{')).reverse.dropWhile(Set('"', '}', ',')).reverse
 }

modules/core/src/test/scala/org/scalasteward/core/edit/RewriteTest.scala

@@ -840,7 +840,7 @@ class RewriteTest extends FunSuite {
     runApplyUpdate(update, original, expected)
   }
 
-  test("issue-2877: sbt using same version in a val and a literal using a Seq addition".fail) {
+  test("issue-2877: sbt using same version in a val and a literal using a Seq addition") {
     val update = ("org.scalatest".g % Nel.of(
       "scalatest".a,
       "scalactic".a