[docs] Add changelog for v0.13.0 (#1239)
[docs] Add changelog for v0.13.0 (#1239)

* Add changelog for v0.13.0

* Fix lint

* Add link to contributor's profile

* Add method names

* Add 'API enhancements' to the subtitle

* Added a recently fixed bug

* Shift the release date

AlexanderMoskovkin/testcafe,inikulin/testcafe,georgiy-abbasov/testcafe-phoenix,georgiy-abbasov/testcafe-phoenix,DevExpress/testcafe,inikulin/testcafe,DevExpress/testcafe,VasilyStrelyaev/testcafe,churkin/testcafe,miherlosev/testcafe,MargaritaLoseva/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,AlexanderMoskovkin/testcafe,AlexanderMoskovkin/testcafe-phoenix,DevExpress/testcafe,DevExpress/testcafe,AlexanderMoskovkin/testcafe-phoenix,MargaritaLoseva/testcafe,VasilyStrelyaev/testcafe,AndreyBelym/testcafe,AlexanderMoskovkin/testcafe-phoenix,MargaritaLoseva/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,churkin/testcafe,AlexanderMoskovkin/testcafe,DevExpress/testcafe,AlexanderMoskovkin/testcafe,churkin/testcafe,miherlosev/testcafe,MargaritaLoseva/testcafe,AndreyBelym/testcafe,AndreyBelym/testcafe,VasilyStrelyaev/testcafe,miherlosev/testcafe,miherlosev/testcafe,churkin/testcafe,miherlosev/testcafe,georgiy-abbasov/testcafe-phoenix