Support win path separators for folders to scan setting #253

Job	Run time
language-servers-multiplatform-build / Build (ubuntu-latest)	25m 36s
language-servers-multiplatform-build / Build (macos-latest)	28m 47s
language-servers-multiplatform-build / Build (windows-latest)	33m 0s
vscode-manifest-yaml / Build VSCode Extension 'vscode-manifest-yaml' Snapshot	4m 42s
vscode-spring-boot / Build VSCode Extension 'vscode-spring-boot' Snapshot	23m 53s
eclipse-ls-extensions / eclipse-language-servers-build	9m 53s
vscode-bosh / Build VSCode Extension 'vscode-bosh' Snapshot	4m 2s
vscode-concourse / Build VSCode Extension 'vscode-concourse' Snapshot	2m 16s
eclipse-ls-extensions / notify-failure	0s
e434-distro / eclipse-distro-build	1m 44s
e435-distro / eclipse-distro-build	15m 11s
e433-distro / eclipse-distro-build	17m 31s
e434-distro / sign-win-distros	0s
e434-distro / sign-osx-distros	0s
e434-distro / cleanup	2s
e434-distro / Send GChat message	0s
e434-distro / purge_cache	0s
e434-distro / notify-failure / notify-failure	2s
e435-distro / sign-osx-distros	38m 27s
e435-distro / sign-win-distros	15m 19s
e433-distro / sign-osx-distros	37m 31s
e433-distro / sign-win-distros	15m 18s
e435-distro / cleanup	3s
e435-distro / Send GChat message	0s
e435-distro / purge_cache	0s
e435-distro / notify-failure / notify-failure	4s
e433-distro / cleanup	7s
e433-distro / Send GChat message	0s
e433-distro / purge_cache	0s
e433-distro / notify-failure / notify-failure	3s
	4h 33m 31s

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