Update and rename manifests/7/7zip/7zipAlpha/20.0.2-alpha/7zip.7zipAl… (#12221)

* Update and rename manifests/7/7zip/7zipAlpha/20.0.2-alpha/7zip.7zipAlpha.yaml to manifests/7/7zip/7zipAlpha/20.02-alpha/7zip.7zipAlpha.yaml

* Update 7zip.7zipAlpha.yaml

+ Fixed PackageName
+ Fixed Publisher
+ Fixed Author

manifests/7/7zip/7zipAlpha/20.02-alpha/7zip.7zipAlpha.yaml

@@ -0,0 +1,29 @@
+PackageIdentifier: 7zip.7zipAlpha
+PackageName: 7-Zip (alpha)
+Moniker: 7zip-alpha
+PackageVersion: 20.02-alpha
+Publisher: Igor Pavlov
+Author: Igor Pavlov
+License: Copyright (C) 1999-2020 Igor Pavlov. - GNU LGPL
+LicenseUrl: https://7-zip.org/license.txt
+MinimumOSVersion: 10.0.0.0
+PackageUrl: https://www.7-zip.org/
+ShortDescription: Free and open source file archiver with a high compression ratio.
+Tags:
+- 7zip
+- compression
+- file compression
+- utility
+- tool
+- zip
+InstallerType: exe
+Installers:
+- Architecture: x64
+  InstallerUrl: https://www.7-zip.org/a/7z2002-x64.exe
+  InstallerSha256: 356E128FCE6625F5BBE03D4B8B6DFCD744EE4482A16E9E495EE44AD77C2435E5
+  InstallerSwitches:
+    Silent: /S
+    SilentWithProgress: /S
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0