Merge pull request airbrake#862 from airbrake/release-7-4-0

Release v7.4.0

Release v7.3.5

Merge pull request airbrake#853 from airbrake/release-7-3-4

Release v7.3.4

Merge pull request airbrake#849 from airbrake/release-7-3-3

Release v7.3.3

Merge pull request airbrake#848 from airbrake/release-7-3-2

Release v7.3.2

Merge pull request airbrake#844 from airbrake/release-7-3-1

Release v7.3.1

Merge pull request airbrake#839 from airbrake/release-7-3-0

Release v7.3.0

Merge pull request airbrake#823 from airbrake/release-7-2-1

Release v7.2.1

CHANGELOG: add a link to the tag

Merge pull request airbrake#816 from airbrake/release-7-1-1

Release v7.1.1