Adding drain after sessions flag (SeleniumHQ#1559)

[deploy]

Bumpint to ubuntu:focal-20220415 (SeleniumHQ#1556)

[deploy]

Bumping to focal-20220316

[deploy]

Bump to Grid 4.1.3 (SeleniumHQ#1531)

[deploy]

ubuntu focal bump

[deploy]

Trigger release [deploy]

Workaround to mount docker.sock (SeleniumHQ#1505) [deploy]

* Workaround to mount docker.sock

* Updating docs to mount docker.sock

Retry interval to 0 (SeleniumHQ#1489)

[deploy]

Commit changes after pushing images

[deploy]

Trigger release [deploy]