Upgrade all manifests to v1 manifest format

manifests/p/PuTTY/PuTTY/0.74/PuTTY.PuTTY.yaml

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+PackageIdentifier: PuTTY.PuTTY
+Publisher: PuTTY
+PackageName: PuTTY
+Author: PuTTY
+ShortDescription: A free implementation of SSH and Telnet, along with an xterm terminal emulator.
+Moniker: putty
+Tags:
+- putty
+- telnet
+- ssh
+- foss
+- cross-platform
+PackageUrl: https://putty.org/
+License: MIT
+LicenseUrl: https://www.chiark.greenend.org.uk/~sgtatham/putty/licence.html
+MinimumOSVersion: 10.0.0.0
+PackageVersion: 0.74
+InstallerSwitches:
+  Custom: /norestart
+  Silent: /quiet /qn
+  SilentWithProgress: /passive
+InstallerType: msi
+Installers:
+- Architecture: x64
+  InstallerUrl: https://the.earth.li/~sgtatham/putty/latest/w64/putty-64bit-0.74-installer.msi
+  InstallerSha256: 2a001dd1c5d81ae1c17db97b0bb6c2c7cada43888d4f30a814c18d55aa28feb6
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0