Upgrade all manifests to v1 manifest format

manifests/m/Microsoft/GitCredentialManagerCore/2.0.252.766/Microsoft.GitCredentialManagerCore.yaml

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+PackageIdentifier: Microsoft.GitCredentialManagerCore
+PackageVersion: 2.0.252.766
+PackageName: Git Credential Manager Core
+Publisher: Microsoft Corporation
+Moniker: git-credential-manager-core
+PackageUrl: https://aka.ms/gcmcore
+Tags:
+- gcm
+- gcmcore
+- git
+- credential
+License: Copyright (C) Microsoft Corporation
+ShortDescription: Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
+Installers:
+- Architecture: x86
+  InstallerUrl: https://github.com/microsoft/Git-Credential-Manager-Core/releases/download/v2.0.252-beta/gcmcore-win-x86-2.0.252.766.exe
+  InstallerType: inno
+  InstallerSha256: 480f971a5dca37118846fd173052f6ab512369bef31bd7cd11127c3c6ea365a5
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0

manifests/m/Microsoft/GitCredentialManagerCore/2.0.280.19487/Microsoft.GitCredentialManagerCore.yaml

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+PackageIdentifier: Microsoft.GitCredentialManagerCore
+PackageVersion: 2.0.280.19487
+PackageName: Git Credential Manager Core
+Publisher: Microsoft
+Moniker: git-credential-manager-core
+PackageUrl: https://aka.ms/gcmcore
+Tags:
+- gcm
+- gcmcore
+- git
+- credential
+License: Copyright (C) Microsoft Corporation
+ShortDescription: Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
+Installers:
+- Architecture: x86
+  InstallerUrl: https://github.com/microsoft/Git-Credential-Manager-Core/releases/download/v2.0.280-beta/gcmcore-win-x86-2.0.280.19487.exe
+  InstallerType: inno
+  InstallerSha256: 7e050b03e8d33125a28368f940805dbfcc3efafb7e9c42dd4ae7f4227c964fc2
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0

manifests/m/Microsoft/GitCredentialManagerCore/2.0.318.44100/Microsoft.GitCredentialManagerCore.yaml

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+PackageIdentifier: Microsoft.GitCredentialManagerCore
+PackageVersion: 2.0.318.44100
+PackageName: Git Credential Manager Core
+Publisher: Microsoft Corporation
+Moniker: git-credential-manager-core
+PackageUrl: https://aka.ms/gcmcore
+Tags:
+- gcm
+- gcmcore
+- git
+- credential
+License: Copyright (C) Microsoft Corporation
+ShortDescription: Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
+Installers:
+- Architecture: x86
+  InstallerUrl: https://github.com/microsoft/Git-Credential-Manager-Core/releases/download/v2.0.318-beta/gcmcoreuser-win-x86-2.0.318.44100.exe
+  InstallerType: inno
+  InstallerSha256: 16A5C46BCE68A7CF48B76ED6657AC70D351EFB3A0B5F2CCF4C2E43BA08B142B2
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0

manifests/m/Microsoft/GitCredentialManagerCore/2.0.374.5910/Microsoft.GitCredentialManagerCore.yaml

@@ -0,0 +1,21 @@
+PackageIdentifier: Microsoft.GitCredentialManagerCore
+PackageVersion: 2.0.374.5910
+PackageName: Git Credential Manager Core
+Publisher: Microsoft Corporation
+Moniker: git-credential-manager-core
+PackageUrl: https://aka.ms/gcmcore
+Tags:
+- gcm
+- gcmcore
+- git
+- credential
+License: Copyright (C) Microsoft Corporation
+ShortDescription: Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
+Installers:
+- Architecture: x86
+  InstallerUrl: https://github.com/microsoft/Git-Credential-Manager-Core/releases/download/v2.0.374-beta/gcmcore-win-x86-2.0.374.5910.exe
+  InstallerType: inno
+  InstallerSha256: F6941AED98C43B7EAD466B8DA50059514358F423DD1D0C3B86393B6B07B054A2
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0