make AbstractPipe public (#54191)

LilithHafner · KristofferC · commit 05f40c331205 · 2024-06-07T11:46:33.000+02:00
(cherry picked from commit cd41d6f)
diff --git a/base/exports.jl b/base/exports.jl
@@ -1083,6 +1083,7 @@ public
 
 # Types
     AbstractLock,
+    AbstractPipe,
     AsyncCondition,
     CodeUnits,
     Event,
