Add MSI UpgradeCode to manifest

[denelon]

MSI Installer UpgradeCode

MSI Installers have an UpgradeCode to help with package upgrades:
[Using an UpgradeCode]https://docs.microsoft.com/en-us/windows/win32/msi/using-an-upgradecode)

[denelon]

How about from #1073:

ProgramsAndFeaturesEntries:
  - Name: Foo
    Publisher: Contoso
    Version: 1.2.3
    ProductCode: "{AAAAA-AAAAA-AAAAA-AAAAA-AAAAA}"
    UpgradeCode: "{ABAAA-ABAAA-ABAAA-ABAAA-ABAAA}"
  - Name: FooService
    Publisher: Contoso
    Version: 2.3.4
    ProductCode: "{BBBBB-BBBBB-BBBBB-BBBBB-BBBBB}"
    UpgradeCode: "{BCBBB-BCBBB-BCBBB-BCBBB-BCBBB}"

[denelon]

winget-cli/schemas/JSON/manifests/v1.1.0/manifest.installer.1.1.0.json

Lines 409 to 411 in 5a97e26

	"UpgradeCode": {
	"$ref": "#/definitions/ProductCode"
	},

[denelon]

The remaining work on this feature is to have the Windows Package Manager client leverage the MSI UpgradeCode.