Increase max terminal dimensions #748

Job	Run time
Build-Wart	36s
Build-OpenWatcom19-OS2	36s
C-Kermit-Linux-Build-Test	1m 4s
Get-CACerts-Bundle	6s
Prepare-Docs	21s
Build-MinGW64-Linux	2m 36s
Build-OpenWatcom19-Win32-NT-legacy	1m 27s
Build-OpenWatcom19-Win32	1m 34s
Build-VCT2003-PSDK2003 (yes)	1m 44s
Build-VCT2003-PSDK2003 (no)	1m 31s
Build-PSDK2003SP1-IA64	1m 4s
Build-VisualCxx (x86, 14)	2m 3s
Build-PSDK71 (ia64)	1m 26s
Build-VisualCxx (x86, 14.2)	2m 11s
Build-VisualCxx (x86, 14.4)	1m 46s
Build-VisualCxx (x64, 14)	1m 56s
Build-VisualCxx (x64, 14.2)	1m 40s
Build-VisualCxx (x64, 14.4)	1m 57s
Build-VisualCxx (x64_arm, 14.4)	1m 59s
Build-VisualCxx (x64_arm64, 14.4)	2m 12s
	29m 49s

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