Gardening: Migrate test suite to GH issues: Concurrency

Author: AnthonyLatsis

test/Concurrency/Runtime/executor_deinit1.swift

@@ -6,7 +6,7 @@
 // REQUIRES: concurrency_runtime
 // UNSUPPORTED: back_deployment_runtime
 
-// https://bugs.swift.org/browse/SR-14461
+// https://github.com/apple/swift/issues/56817
 // UNSUPPORTED: OS=linux-gnu
 
 // REQUIRES: rdar78325660

test/Concurrency/objc_async_overload.swift

@@ -7,7 +7,11 @@
 func syncContext() {
   let r = Request()
   let d = Delegate()
-  d.makeRequest1(r) // NOTE: this use to trigger an overload resolution error, see SR-13760
+
+  // https://github.com/apple/swift/issues/56157
+  // This use to trigger an overload resolution error.
+  d.makeRequest1(r)
+
   d.makeRequest2(r)
   d.makeRequest3(r)
 }