Remove workaround for PowerShell <7.4 in OneBranch

Allow release stage only on manual build

Bump to PowerShell 7.4 and .NET 8.0 due to end-of-support

Enable NuGet Central Package Management

Use `RequiredResource` hashtable to specify PowerShell module versions

Update Show-ObjectTree.md with correct parameters (#251)

Update README.md to reflect removal of `-PassThru` (#255)

Update OneBranch pipeline and dependencies (#253)

Enable CodeQL in OneBranch

Update Code of Conduct and Security Policy (#248)

Enable `dotnet` telemetry in CI

Fix NuGet publish step

v0.7.7: Switch to OneBranch release system

Merge pull request #247 from PowerShell/OBP_Official_andschwa_fyprNM

Publish ZIP module too