[tracing] Add missing v8.inspector category declaration

Add the new disabled-by-default-v8.inspector category (added by  [1]) to the category list to ensure that v8 can be built with perfetto client library (example failure [2]).

[1] https://chromium-review.googlesource.com/c/v8/v8/+/3364085  
[2] https://ci.chromium.org/ui/p/chromium/builders/try/linux-perfetto-rel/5926/overview

Change-Id: I7b187a18d2f996148fbfd42f9039f9a2012537bf
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3370121
Auto-Submit: Alexander Timin <altimin@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78547}

src/tracing/trace-categories.h

@@ -42,6 +42,7 @@ PERFETTO_DEFINE_CATEGORIES(
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.cpu_profiler")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.gc")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.gc_stats")),
+    perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.inspector")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.ic_stats")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.runtime")),
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.runtime_stats")),