[docs] Add a changelog for v1.8.2 (#4762)
[docs] Add a changelog for v1.8.2 (#4762)



miherlosev/testcafe,AndreyBelym/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,DevExpress/testcafe,DevExpress/testcafe,miherlosev/testcafe,miherlosev/testcafe,AndreyBelym/testcafe,miherlosev/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,miherlosev/testcafe,DevExpress/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe