Roll SK Tool from 55a19cee35b8 to 23a0b822befe

https://skia.googlesource.com/buildbot.git/+log/55a19cee35b8..23a0b822befe

2021-05-03 borenet@google.com [autoroll] Retry all 4XX HTTP requests

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/sk-tool-skia
Please CC rmistry@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Tbr: rmistry@google.com
Change-Id: I1095af77ea0b09e5574d1a6d7a0f0ada5bab4b27
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/403617
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 2af3385..1a10607 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling different
   # dependencies without interference from each other.
-  'sk_tool_revision': 'git_revision:5aa7ac620be293748cae31d1fc255afbf59034ac',
+  'sk_tool_revision': 'git_revision:23a0b822befe2b993eeffec379b5f375fb2045bc',
 }
 
 deps = {