Update Sangoma.Zulu to 3.5.2 (#13771)

manifests/s/Sangoma/Zulu/3.5.2/Sangoma.Zulu.yaml

@@ -0,0 +1,26 @@
+PackageIdentifier: Sangoma.Zulu
+PackageVersion: 3.5.2
+PackageName: Zulu-UC
+Publisher: Sangoma
+License: © 2020 Sangoma All rights reserved
+LicenseUrl: https://wiki.freepbx.org/display/ZU/Purchasing+and+Licensing+Zulu
+Moniker: Zulu-UC
+Tags:
+- sangoma
+- softphone
+- voip
+- zulu
+ShortDescription: Sangoma.Zulu
+Description: Zulu UC is desktop and mobile integration for businesses using PBXact and FreePBX phone systems, delivering productivity and collaboration tools through a single application which can be installed on most desktop and laptop computers as well as on iOS and Android mobile devices.
+PackageUrl: https://www.sangoma.com/pbx/zulu
+Installers:
+- Architecture: x64
+  InstallerUrl: https://zulu-updater.sangoma.com/download/3.5.2/windows_64/Zulu%20Setup%203.5.2.exe
+  InstallerSha256: c1dca234d976e351da70676bce1486c45c39d6365dabdc4550c79401d8bde905
+  InstallerType: exe
+  InstallerSwitches:
+    Silent: /S
+    SilentWithProgress: /S
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0