[wip] Add CirrusCI YAML file

[wip] Add CirrusCI YAML file

4.11.0

4.10.0

Upgrade request package to v.2.88

The package `extend 3.0.1`, which is a dependency of `request 2.87` has a vulnerability :
https://hackerone.com/reports/381185

Upgrade `request` to v.2.88 will install `extend` v.3.0.2, the fixed version.

Fix sass#2496

4.9.3

4.9.2

4.9.1

Bump [email protected]

See https://github.com/sass/libsass/releases/tag/3.5.4

Revert to [email protected] because of specs that depend on features
reverted in 3.5.4.

4.8.3