Update unit test

Author: nikic

llvm/unittests/Analysis/CaptureTrackingTest.cpp

@@ -77,10 +77,9 @@ TEST(CaptureTracking, MaxUsesToExplore) {
 struct CollectingCaptureTracker : public CaptureTracker {
   SmallVector<const Use *, 4> Captures;
   void tooManyUses() override { }
-  std::optional<CaptureComponents> captured(const Use *U,
-                                            CaptureInfo CI) override {
+  Action captured(const Use *U, CaptureInfo CI) override {
     Captures.push_back(U);
-    return continueDefault(CI);
+    return Continue;
   }
 };