Update DevTools DEPS.
Update DevTools DEPS.

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/8460fe0..841e388

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/cb340f5..a657331

R=machenbach@chromium.org,liviurau@chromium.org

Bug: none
Change-Id: I8932766465c9365ae20bd475def9b97d0794a6fa
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3402906
Commit-Queue: Devtools Autoroller <075cca983f8f93eec1be8cf9702f03e09507e730@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Devtools Autoroller <075cca983f8f93eec1be8cf9702f03e09507e730@chops-service-accounts.iam.gserviceaccount.com>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend