[bazel] Add missing file

Change-Id: I4ffcf9792501928e9e59d702c5855b288470cff4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3599485Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80090}

BUILD.bazel

@@ -3140,6 +3140,8 @@ filegroup(
         "src/inspector/v8-string-conversions.h",
         "src/inspector/v8-value-utils.cc",
         "src/inspector/v8-value-utils.h",
+        "src/inspector/v8-webdriver-serializer.cc",
+        "src/inspector/v8-webdriver-serializer.h",
         "src/inspector/value-mirror.cc",
         "src/inspector/value-mirror.h",
         ":crdtp_platform_files",