ssh: auto adjust window in client #15975

Job	Run time
Build Erlang/OTP (64-bit)	13m 39s
Event File	2s
Build Erlang/OTP (iOS)	12m 0s
Build Erlang/OTP (Types and Flavors)	8m 15s
Build Erlang/OTP (32-bit)	10m 56s
Build Erlang/OTP (macOS)	12m 45s
Build Erlang/OTP (cross-compile)	16m 8s
Build Erlang/OTP (Windows)	15m 49s
Build Erlang/OTP (clang)	5m 47s
Build and check documentation	8m 21s
Run static analysis	7m 15s
Test Erlang/OTP (ssh)	18m 12s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	9m 8s
	2h 18m 17s

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