Add missing trace category group to trace-categories.h

Fixes perfetto compile. Example failure:
https://ci.chromium.org/ui/p/chromium/builders/try/linux-perfetto-rel/6137/overview

Change-Id: Ia74f8d339ffbf1733f334043dea19872ea8c7ee4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3383778Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78592}

src/tracing/trace-categories.h

@@ -54,7 +54,9 @@ PERFETTO_DEFINE_CATEGORIES(
     perfetto::Category(TRACE_DISABLED_BY_DEFAULT("v8.zone_stats")),
     perfetto::Category::Group("v8,devtools.timeline"),
     perfetto::Category::Group(TRACE_DISABLED_BY_DEFAULT("v8.turbofan") ","
-                              TRACE_DISABLED_BY_DEFAULT("v8.wasm.turbofan")));
+                              TRACE_DISABLED_BY_DEFAULT("v8.wasm.turbofan")),
+    perfetto::Category::Group(TRACE_DISABLED_BY_DEFAULT("v8.inspector") ","
+                              TRACE_DISABLED_BY_DEFAULT("v8.stack_trace")));
 // clang-format on
 
 #endif  // defined(V8_USE_PERFETTO)