fix(std/http2): release window capacity back to remote stream (#24576)
This PR adds logic to release window capacity after reading the chunks
from the stream. Without it, large response (more than `u16::MAX`) may
fill up the capacity and the whole response can't be read.
Closes https://github.com/denoland/deno/issues/24552
Closes https://github.com/denoland/deno/issues/24305