Update AzureFunctions.PowerShell.SDK module

[Francisco-Gamino]

These PR contains the following changes:

• Update to PowerShell SDK to 7.2.11 - resolves https://github.com/Azure/azure-functions-powershell-library/issues/36
• Renamed Microsoft.Azure.Functions.PowerShell.SDK.csproj to AzureFunctions.PowerShell.SDK.csproj
• Updated AzureFunctions.PowerShell.SDK.csproj to include Product, AssemblyName, and LangVersion
• Added .gitattributes to include *.ps1, *.psm1, and *.psd1 files
• Removed autogenerated file src/gen/AzPowerShellSdkStrings.cs
• Upgraded to .NET SDK 3.1.426
• Upgraded to .NET SDK 6.0.408
• Updated AzureFunctions.PowerShell.SDK
  • Set version to 0.0.1
  • Updated NestedModules to AzureFunctions.PowerShell.SDK.dll
• Update resources template from "Microsoft.Azure.Functions.PowerShell.SDK.resources.{0}" to "AzureFunctions.PowerShell.SDK.resources.{0}"
• Updated error messages for when failing to parse PowerShell functions
• Updated logic to update module files when building and testing locally