admin repo upgrape: add env path rewritable on windows field #1149

Job	Run time
Analyse	6s
Cygwin	4m 47s
Hygiene	26s
Build-Linux (4.08.1)	4m 9s
Build-Linux (4.09.1)	6m 6s
Build-Linux (4.10.2)	6m 7s
Build-Linux (4.11.2)	6m 7s
Build-Linux (4.12.1)	6m 7s
Build-Linux (4.13.1)	6m 8s
Build-Linux (4.14.1)	6m 7s
Build-macOS (4.14.1)	5m 52s
Test-macOS (4.14.1)	5m 41s
Build-Windows (x86_64-pc-cygwin, x86_64-pc-cygwin, 4.14.1)	1m 2s
Build-Windows (i686-w64-mingw32, x86_64-pc-cygwin, 4.14.1)	1m 2s
Build-Windows (x86_64-w64-mingw32, x86_64-pc-cygwin, 4.14.1)	1m 7s
Build-Windows (i686-pc-windows, x86_64-pc-cygwin, 4.14.1)	1m 0s
Build-Windows (x86_64-pc-windows, x86_64-pc-cygwin, 4.14.1)	1m 3s
Cold-Linux	1s
Test-Linux	1s
Solvers-Linux	1s
Upgrade-Linux	1s
Upgrade-macOS	1s
Solvers-macOS	1s
	1h 3m 3s

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