Update DevTools DEPS (trusted-versions)
Update DevTools DEPS (trusted-versions)

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/a83ac93..9dec1b4

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

Bug: none
Change-Id: I6c9bd4e37ed22cb4ade19d1673f25cb1a1c56fdc
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3738404
Bot-Commit: Devtools Autoroller <075cca983f8f93eec1be8cf9702f03e09507e730@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: 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