[v3.x]Update Middleware package

[pragnagopa]

Issue describing the changes in this PR

Back port #10490

Pull request checklist

IMPORTANT: Currently, changes must be backported to the in-proc branch to be included in Core Tools and non-Flex deployments.

• Backporting to the in-proc branch is not required
  • Otherwise: Link to backporting PR
• My changes do not require documentation changes
  • Otherwise: Documentation issue linked to PR
• My changes should not be added to the release notes for the next release
  • Otherwise: I've added my notes to release_notes.md
• My changes do not need to be backported to a previous version
  • Otherwise: Backport tracked by issue/PR #issue_or_pr
• My changes do not require diagnostic events changes
  • Otherwise: I have added/updated all related diagnostic events and their documentation (Documentation issue linked to PR)
• I have added all required tests (Unit tests, E2E tests)

Additional information

Additional PR information

[pragnagopa]

@fabiocav - need help with this PR - from failure logs - https://azfunc.visualstudio.com/public/_build/results?buildId=182319&view=logs&j=d3097984-58ae-595d-5abd-14a5c1707c21&t=9f63de88-fd7b-5bde-e456-e2fce12f3a74

Package is not found? does v3.x branch need an update to the app services nuget feed?

D:\a\_work\1\s\src\WebJobs.Script.WebHost\WebJobs.Script.WebHost.csproj : error NU1102: Unable to find package Microsoft.Azure.AppService.Middleware.Functions with version (>= 1.5.5) [D:\a\_work\1\s\test\WebJobs.Script.Tests\WebJobs.Script.Tests.csproj]
D:\a\_work\1\s\src\WebJobs.Script.WebHost\WebJobs.Script.WebHost.csproj : error NU1102:   - Found 2 version(s) in AzureFunctionsTempStaging [ Nearest version: 1.5.1 ] [D:\a\_work\1\s\test\WebJobs.Script.Tests\WebJobs.Script.Tests.csproj]
D:\a\_work\1\s\src\WebJobs.Script.WebHost\WebJobs.Script.WebHost.csproj : error NU1102:   - Found 0 version(s) in nuget.org [D:\a\_work\1\s\test\WebJobs.Script.Tests\WebJobs.Script.Tests.csproj]
D:\a\_work\1\s\src\WebJobs.Script.WebHost\WebJobs.Script.WebHost.csproj : error NU1102:   - Found 0 version(s) in azure-appservice-test [D:\a\_work\1\s\test\WebJobs.Script.Tests\WebJobs.Script.Tests.csproj]
D:\a\_work\1\s\src\WebJobs.Script.WebHost\WebJobs.Script.WebHost.csproj : error NU1102:   - Found 0 version(s) in AzureFunctionsPreRelease [D:\a\_work\1\s\test\WebJobs.Script.Tests\WebJobs.Script.Tests.csproj]
D:\a\_work\1\s\src\WebJobs.Script.WebHost\WebJobs.Script.WebHost.csproj : error NU1102:   - Found 0 version(s) in AzureFunctionsRelease [D:\a\_work\1\s\test\WebJobs.Script.Tests\WebJobs.Script.Tests.csproj]

[Update - error was misleading. Updated pkg references in test project]