feat:Updating storage code to work with django52.

[muhammadali286]

Issue #49

[ktyagiapphelix2u]

@muhammadali286 This PR resolves the issue by updating the storage logic to use the new Django 5.2 API (storages / import_string).

Could you please share your plans or timeline for merging this change?
Once it’s merged, we’ll re-run Datadog checks for RemovedInDjango51Warning to confirm everything is clean.

[AntonOfTheWoods]

@muhammadali286 , is there a known reason why it couldn't be merged as-is? It's a draft, so it wasn't clear whether there are some known issues that need to be worked out/discussed or not. Thanks!

[muhammadali286]

I am making it backward compatible. I am just testing the solution on both Django versions. I will be finalizing it today.

[Waleed-Mujahid]

@muhammadali286 I have tested this branch with release/ulmo.1 and its working as expected. h5p xblock does not work on master branch. Can we merge this ASAP?