GitLab

Increase Fenix/MozAC gradle dependencies version
Update Go to 1.15.11
Update Fenix to 88.1.1

Versions bump and Changelog update

Now Geckoview uses build-tools 30.0.2, so this patch updates
android-toolchain, as well.

Checking toolchain updates can be done with the following commands:

  make list_toolchain_updates-geckoview
  make list_toolchain_updates-application-services
  make list_toolchain_updates-android-components
  make list_toolchain_updates-fenix

Versions bump and Changelog update

We're switching from Azure to Fastly for our snowflake broker front
domain.

Versions bump and Changelog update

Versions bump and Changelog update

https://hg.mozilla.org/releases/mozilla-esr78/rev/1b0e1f0d885e
https://hg.mozilla.org/releases/mozilla-esr78/rev/d726d74daa39
https://hg.mozilla.org/releases/mozilla-esr78/rev/cc840a008393

Closes #40253.