Run spellchecker on depot_tools

This was made by running `codespell` and `scspell`
and then checking the results.

Change-Id: I169fd5b40294f83015075b4a899fbca263821f25
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2144602
Commit-Queue: Quinten Yearsley <qyearsley@chromium.org>
Auto-Submit: Quinten Yearsley <qyearsley@chromium.org>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
diff --git a/git_common.py b/git_common.py
index f17dde0..16e4ce8 100644
--- a/git_common.py
+++ b/git_common.py
@@ -469,7 +469,7 @@
         .git/info/exclude
       file. See `git help ignore` for the format of this file.
 
-      If this data is indended as part of your commit, you may adjust the
+      If this data is intended as part of your commit, you may adjust the
       freeze limit by running:
         git config %s <new_limit>
       Where <new_limit> is an integer threshold in megabytes.""",