[BUG] Publish failing with more than 3 apis and having huge specification

[mandiga8]

Release version

v6.0.1.1

Describe the bug

Publish is failing with 4 apis and having huge specifications.
When we publish all 4 individually, they are publishing without any issues.

Expected behavior

Publish to be successful for any number of apis.

Actual behavior

Producing errors, randomly. Each run fails in different place
Content is '{"error":{"code":"PessimisticConcurrencyConflict","message":"Operation on the API is in progress","details":null}}'.

Reproduction Steps

Publish with 4 or more apis having huge opsn api specification

[github-actions]

  Thank you for opening this issue! Please be patient while we will look into it and get back to you as this is an open source project. In the meantime make sure you take a look at the [closed issues](https://github.com/Azure/apiops/issues?q=is%3Aissue+is%3Aclosed) in case your question has already been answered. Don't forget to provide any additional information if needed (e.g. scrubbed logs, detailed feature requests,etc.).
  Whenever it's feasible, please don't hesitate to send a Pull Request (PR) our way. We'd greatly appreciate it, and we'll gladly assess and incorporate your changes.

[KryptoBeard]

I also get this when publishing multiple apis. Its never the same one that fails either.