Update DevTools DEPS.
Update DevTools DEPS.

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/db920d7..cb067b2

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/7e3ad9e..c2c576e

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

Bug: none
Change-Id: I69f1378184b0d08b70efc480907469ba4ffa08c7
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2750487
Reviewed-by: 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