WinSCP 5.17.3 (#416)

* WinSCP 5.17.4

Add WinSCP 5.17.4 to the repository.

* WinSCP 5.17.3

Add WinSCP 5.17.3 to the repository.

* Remove 5.17.4 that's for the other pr

manifests/WinSCP/WinSCP/5.17.3.yaml

@@ -0,0 +1,18 @@
+Id: WinSCP.WinSCP
+Version: 5.17.3
+Name: WinSCP
+Publisher: WinSCP
+License: GPL
+LicenseUrl: https://winscp.net/eng/docs/license
+AppMoniker: winscp
+Tags: winscp, scp, sftp, ftp, ftps, webdav, s3
+Description: WinSCP is an open source free SFTP client, FTP client, WebDAV client, S3 client and SCP client for Windows. Its main function is file transfer between a local and a remote computer. Beyond this, WinSCP offers scripting and basic file manager functionality.
+Homepage: https://winscp.net
+Installers:
+  - Arch: x86
+    Url: https://phoenixnap.dl.sourceforge.net/project/winscp/WinSCP/5.17.3/WinSCP-5.17.3-Setup.exe
+    Sha256: 79DE2D5CBA143CBA220ECF6C76D9E07407243E554BA524A78365CCD881B80214
+    InstallerType: exe
+    Switches:
+      Silent: /verysilent
+      SilentWithProgress: /verysilent