deps: update nghttp2 to 1.47.0
Added script to update nghttp2 in future. One can use
$ ./tools/update-nghttp2.sh 1.47.0It will automatically copy and update the nghttp2 in deps.
Updated the nghttp2 libs to 1.47.0
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Added script to update nghttp2 in future. One can use
$ ./tools/update-nghttp2.sh 1.47.0It will automatically copy and update the nghttp2 in deps.
Updated the nghttp2 libs to 1.47.0