release: bumped version (v1.15.0-rc.2), updated testcafe-hammerhead (v24.3.1) (#6317)
release: bumped version (v1.15.0-rc.2), updated testcafe-hammerhead (v24.3.1) (#6317)


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