Getting a 404 for GET /robots933456.txt

The documentation should mention these errors, especially the logs are flooded with these errors in a very short period of time, also some of us send emails on unhandled exception, we get so many emails for, that Google starts to refuse sending emails.

Maybe you should point it out like here: https://learn.microsoft.com/en-us/azure/app-service/configure-custom-container?tabs=debian&pivots=container-linux#robots933456-in-logs

Useful links:
https://stackoverflow.com/questions/77921307/getting-a-404-for-get-robots933456-txt
https://github.com/MicrosoftDocs/azure-docs/blob/main/includes/app-service-web-configure-robots933456.md

**App Service Pricing Plan:**
Free F1

Review the linked Azure App Service documentation and the quickstart's existing documentation to determine where this warning belongs. Document the robots933456.txt 404 behavior, its noisy-log and email effects, and the relevant Azure guidance so users can recognize it.

Written by the indexing model from the issue text.