[dpdk-web] [PATCH] update 20.11.0 schedule

[Thomas Monjalon]

> -rc1 date is updated as discussed in
> https://mails.dpdk.org/archives/dev/2020-October/183987.html
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
> ---
> -- API freeze (-rc1): October 9, 2020
> +- API freeze (-rc1): October 16, 2020

Applied, thanks