Cut release v74.0.1

Merge pull request mozilla#3946 from mozilla/cut-v74.0.0

Cut release v73.0.2

Cut release v73.0.1

Merge pull request mozilla#3915 from mozilla/cut-v73.0.0

Cut release v73.0.0

Merge pull request mozilla#3891 from mozilla/cut-v72.1.0

Cut release v72.1.0

Merge pull request mozilla#3888 from mozilla/cut-v72.0.0

Cut release v72.0.0

Merge pull request mozilla#3875 from mozilla/cut-v71.0.0

Cut release v71.0.0

Cut release v70.0.0

Cut release v69.0.0 (mozilla#3838)