Roll goldctl from c7c91b4c709a to 63df9e9df52e

If this roll has caused a breakage, revert this CL and set the roller
to dry run mode using the controls here:
https://autoroll.skia.org/r/goldctl-pdfium
Please CC akall@google.com,thestig@chromium.org on the revert to ensure that a human
is aware of the problem.

To file a bug in goldctl: https://issues.skia.org
To file a bug in PDFium: https://crbug.com/pdfium

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

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

Bug: None
Tbr: akall@google.com
Change-Id: Ifa025b764198e2b13b40cfbc980f313dea11d917
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/158510
Commit-Queue: pdfium-autoroll@skia-public.iam.gserviceaccount.com <pdfium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: pdfium-autoroll@skia-public.iam.gserviceaccount.com <pdfium-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index cc3c247..9247b7f 100644
--- a/DEPS
+++ b/DEPS
@@ -154,7 +154,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling goldctl CIPD package version
   # and whatever else without interference from each other.
-  'goldctl_version': 'git_revision:9379dad302e027bb42a09c353bfbac0166c8c845',
+  'goldctl_version': 'git_revision:63df9e9df52e8edfd3cd86b642ba79f440e96ecd',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling gtest
   # and whatever else without interference from each other.