Merge pull request #61928 from atrick/fix-capture-test

implicit_weak_capture test requires Concurrency

Author: swift-ci

test/expr/closure/implicit_weak_capture.swift

@@ -1,5 +1,7 @@
 // RUN: %target-run-simple-swift(-Xfrontend -disable-availability-checking)
 
+// REQUIRES: concurrency
+
 // REQUIRES: executable_test
 
 func runIn10ms(_ closure: @escaping @Sendable () -> Void) {
@@ -26,4 +28,4 @@ final class Weak: Sendable {
 }
 
 Weak().test()
-try await Task.sleep(nanoseconds: 20_000_000)
+try await Task.sleep(nanoseconds: 20_000_000)