`The maximum number of VPCs has been reached` error in the samples tests

[ytimocin]

Getting maximum number of VPCs has been reached error in test runs.

Example: https://github.com/radius-project/samples/actions/runs/6996535129/job/19032519197.

AB#10539

[willdavsmith]

Should be fixed by #843

[shalabhms]

@lakshmimsft , are we still observing these failures in the samples repo ?

[lakshmimsft]

nope, nothing this week. Closing this issue.