Update dev & docs dependencies

[ninoseki]

I'm going to make a rewrelease after #52 and want to update dev & docs dependencies beforehand.

This PR includes:

• Updating dev & docs dependncies
• Fix warnings when building docs:

$ mkdocs build     
INFO    -  Cleaning site directory
INFO    -  Building documentation to directory: /Users/ninoseki/Documents/GitHub/urlscan-python/site
WARNING -  griffe: src/urlscan/client.py:701: No type or annotation for returned value 'dict'
WARNING -  griffe: src/urlscan/pro/datadump.py:22: No type or annotation for returned value 'dict'
INFO    -  Documentation built in 0.74 seconds