[compiler-rt] Fixing UB on Windows for trampoline allocations (llvm#85639)

Fixing the type of the constant to avoid undefined behavior with respect
to overflow.

Author: zacklj89

compiler-rt/lib/interception/interception_win.cpp

@@ -339,7 +339,7 @@ struct TrampolineMemoryRegion {
   uptr max_size;
 };
 
-UNUSED static const uptr kTrampolineScanLimitRange = 1 << 31;  // 2 gig
+UNUSED static const uptr kTrampolineScanLimitRange = 1ull << 31;  // 2 gig
 static const int kMaxTrampolineRegion = 1024;
 static TrampolineMemoryRegion TrampolineRegions[kMaxTrampolineRegion];