Enable setting max upload size as an environment variable

[jbentonGx]

We are using this tool to publish playwright test results. Sometimes, the test results can be very large and so the test reporting fails when the max upload size is being checked. We would like a way to configure this value.

[jbentonGx]

Here's a patch that should do the trick
0001-Allow-users-to-increase-the-max-upload-size-by-setti.patch