keep serialization stability on Scala 2.13.9 (#220)

Author: SethTisue

core/src/main/scala/scala/collection/immutable/OldHashMap.scala

@@ -35,6 +35,7 @@ import scala.collection.mutable.{Builder, ImmutableBuilder}
   *  @define mayNotTerminateInf
   *  @define willNotTerminateInf
   */
+@SerialVersionUID(-2425602972438308285L)
 sealed abstract class OldHashMap[K, +V]
   extends AbstractMap[K, V]
     with MapOps[K, V, OldHashMap, OldHashMap[K, V]]

junit/src/test/scala-3/scala/SerializationStabilityTest.scala

@@ -38,14 +38,14 @@ object SerializationStability extends App with SerializationStabilityBase {
     }
   }
 
-  // Generated on 20201015-13:11:40 with Scala version 2.13.3)
+  // Generated on 20220518-15:59:25 with Scala version 2.13.6)
   overwrite.foreach(updateComment)
 
   // check(new collection.concurrent.TrieMap[Any, Any]())( "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")
   // not sure why this one needs stable serialization.
 
   import collection.parallel
-  check(parallel.immutable.ParHashMap(1 -> 2))( "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")
+  check(parallel.immutable.ParHashMap(1 -> 2))( "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")
   check(parallel.immutable.ParHashSet(1, 2, 3))( "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")
   // TODO SI-8576 Uninitialized field under -Xcheckinit
   // check(new parallel.immutable.ParRange(new Range(0, 1, 2)))( "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")
@@ -58,4 +58,4 @@ object SerializationStability extends App with SerializationStabilityBase {
 class SerializationStabilityTest {
   @Test
   def testAll: Unit = SerializationStability.main(new Array[String](0))
-}
+}