[FR] Support python 3.13

[wolflu05]

Please verify that this feature request has NOT been suggested before.

• I checked and didn't find a similar feature request

Problem statement

When trying to run inventree with python3.13 it complains about not finding the module imghdr (and probably some other things, haven't dig deeper?)

Suggested solution

Remove the deprecated imghdr dependency as per https://stackoverflow.com/questions/79144437/how-to-resolve-no-module-named-imghdr-error-in-python-3-13-with-tweepy

Describe alternatives you've considered

.

Examples of other systems

No response

Do you want to develop this?

• I want to develop this.

[matmair]

Would probably also make sense to add 3.13 to CI