[breaking change] Update HTTP/2 window management
What's Changed
- Fix initial settings for h2 by @TingDaoK in #513
- Update h2 windowing algo & Http Client benchmark by @TingDaoK in #388
- batching up the window update frame until the window size drops below the threshold for both manual and auto window management
- Initial window size now be required for HTTP/2 connection on manual window management now.
Full Changelog: v0.9.7...v0.10.0