Update a bug number in a TODO

Bug: 1205263
Change-Id: Iff55491a058d2f75747b6206c39fa77e092196d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2895148
Commit-Queue: Dirk Pranke <dpranke@google.com>
Auto-Submit: Nico Weber <thakis@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>

cipd

@@ -30,7 +30,7 @@ case "${UNAME}" in
     ;;
   darwin)
     OS=mac
-    # use amd64 binaries even on arm64 for now, see crbug.com/1102967
+    # use amd64 binaries even on arm64 for now, see crbug.com/1205263
     # Once we have arm binaries of everything, this will change to "arm64"
     # Run `echo "mac-arm64" > .cipd_client_platform` to force arm64 binaries
     # before everything is ready, for testing.