[docs] Add changelog for v1.8.5 (#5079)
[docs] Add changelog for v1.8.5 (#5079)

* Add changelog for v1.8.5

* Fix the date
VasilyStrelyaev/testcafe,AndreyBelym/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,VasilyStrelyaev/testcafe,DevExpress/testcafe,miherlosev/testcafe,miherlosev/testcafe,DevExpress/testcafe,miherlosev/testcafe,miherlosev/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,DevExpress/testcafe,AndreyBelym/testcafe,miherlosev/testcafe