tint: Add a missing include for int64_t/uint64_t

This is to fix an error from clang modules build in chromium.

Bug: 40263312
Change-Id: I9e47e11e17b0e956ae2e5836aeb567adaaac7212
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/238374
Auto-Submit: Takuto Ikuta <tikuta@google.com>
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: James Price <jrprice@google.com>

src/tint/lang/core/ir/analysis/integer_range_analysis.h

diff --git a/src/tint/lang/core/ir/analysis/integer_range_analysis.h b/src/tint/lang/core/ir/analysis/integer_range_analysis.h
index 03cc6e3..4b2f5b2 100644
--- a/src/tint/lang/core/ir/analysis/integer_range_analysis.h
+++ b/src/tint/lang/core/ir/analysis/integer_range_analysis.h
@@ -28,6 +28,7 @@
 #ifndef SRC_TINT_LANG_CORE_IR_ANALYSIS_INTEGER_RANGE_ANALYSIS_H_
 #define SRC_TINT_LANG_CORE_IR_ANALYSIS_INTEGER_RANGE_ANALYSIS_H_
 
+#include <cstdint>
 #include <memory>
 #include <variant>