Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls
recipe changes from upstream projects (depot_tools) into this repository.

The build that created this CL was
https://ci.chromium.org/b/8715309213701642273

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/977c37458fda472d8822a8b57e4a83a7bc747471
  977c374 (rop@google.com)
      Change readme updating to be on by default for roll_dep.py

Please check the following references for more information:
- autoroller, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/workflow.md#autoroller
- rollback, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/workflow.md#rollback
- cross-repo dependencies, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/cross_repo.md

Use https://goo.gl/noib3a to file a bug.

R=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: I9dd20cdfa2377d6329da11c0c9032f9fe626eb27
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/992077
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/bots/README.recipes.md b/infra/bots/README.recipes.md
index fe085e7..c756fa3 100644
--- a/infra/bots/README.recipes.md
+++ b/infra/bots/README.recipes.md
@@ -551,11 +551,11 @@
 
 &mdash; **def [RunSteps](/infra/bots/recipe_modules/xcode/examples/full.py#15)(api):**
 
-[depot_tools/recipe_modules/bot_update]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/d1f9fa6c922b20d8034fe4c7f3a62f8a824c561b/recipes/README.recipes.md#recipe_modules-bot_update
-[depot_tools/recipe_modules/gclient]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/d1f9fa6c922b20d8034fe4c7f3a62f8a824c561b/recipes/README.recipes.md#recipe_modules-gclient
-[depot_tools/recipe_modules/git]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/d1f9fa6c922b20d8034fe4c7f3a62f8a824c561b/recipes/README.recipes.md#recipe_modules-git
-[depot_tools/recipe_modules/gitiles]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/d1f9fa6c922b20d8034fe4c7f3a62f8a824c561b/recipes/README.recipes.md#recipe_modules-gitiles
-[depot_tools/recipe_modules/tryserver]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/d1f9fa6c922b20d8034fe4c7f3a62f8a824c561b/recipes/README.recipes.md#recipe_modules-tryserver
+[depot_tools/recipe_modules/bot_update]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/977c37458fda472d8822a8b57e4a83a7bc747471/recipes/README.recipes.md#recipe_modules-bot_update
+[depot_tools/recipe_modules/gclient]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/977c37458fda472d8822a8b57e4a83a7bc747471/recipes/README.recipes.md#recipe_modules-gclient
+[depot_tools/recipe_modules/git]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/977c37458fda472d8822a8b57e4a83a7bc747471/recipes/README.recipes.md#recipe_modules-git
+[depot_tools/recipe_modules/gitiles]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/977c37458fda472d8822a8b57e4a83a7bc747471/recipes/README.recipes.md#recipe_modules-gitiles
+[depot_tools/recipe_modules/tryserver]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/977c37458fda472d8822a8b57e4a83a7bc747471/recipes/README.recipes.md#recipe_modules-tryserver
 [recipe_engine/recipe_modules/cipd]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5c6fb8b0d95cd78429c201eb0e4c39c1fe4d57af/README.recipes.md#recipe_modules-cipd
 [recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5c6fb8b0d95cd78429c201eb0e4c39c1fe4d57af/README.recipes.md#recipe_modules-context
 [recipe_engine/recipe_modules/file]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5c6fb8b0d95cd78429c201eb0e4c39c1fe4d57af/README.recipes.md#recipe_modules-file
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index e0b11dc..6cff5bd 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "d1f9fa6c922b20d8034fe4c7f3a62f8a824c561b",
+      "revision": "977c37458fda472d8822a8b57e4a83a7bc747471",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {