deps: V8: override depot_tools version

For compatibility with Python >= 3.12 we need a newer version of
`depot_tools` than is used for the older versions of V8.

PR-URL: #62344
Refs: nodejs/build#4278
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: richardlau

tools/v8/fetch_deps.py

@@ -24,6 +24,8 @@
     "deps_file"   : "DEPS",
     "managed"     : False,
     "custom_deps" : {
+      # Update depot_tools for compatibility with Python 3.12.
+      "v8/third_party/depot_tools"            : "https://chromium.googlesource.com/chromium/tools/depot_tools.git@284c5ccb591c3de4e9f71be4a4beb5d1916d5383",
       # These deps are already part of Node.js.
       "v8/base/trace_event/common"            : None,
       "v8/third_party/abseil-cpp"             : None,