Fix pyproject.toml and factory invocations

[CharString]

• [project] table was malformed.
• New factory boy version has Generic annotations, so .create and .build
  are inferred correctly. This removes the need for that typing.cast

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.62%. Comparing base (47cde92) to head (e00a5f9).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #714   +/-   ##
=======================================
  Coverage   84.62%   84.62%           
=======================================
  Files         138      138           
  Lines        2738     2738           
  Branches      215      215           
=======================================
  Hits         2317     2317           
  Misses        373      373           
  Partials       48       48           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[github-actions]

Bencher Report

Branch	chore-fix-factory-annotations
Testbed	ubuntu-latest

Click to view all benchmark results

Benchmark	Latency	Benchmark Result milliseconds (ms) (Result Δ%)	Upper Boundary milliseconds (ms) (Limit %)
performance_test/tests/test_objects_list.py::test_objects_api_list_filter_by_object_type	📈 view plot 🚷 view threshold	116.12 ms (-2.48%) Baseline: 119.08 ms	125.04 ms (92.87%)
performance_test/tests/test_objects_list.py::test_objects_api_list_filter_one_result	📈 view plot 🚷 view threshold	21.26 ms (-3.40%) Baseline: 22.01 ms	23.11 ms (92.00%)
performance_test/tests/test_objects_list.py::test_objects_api_list_large_page_size_page_1	📈 view plot 🚷 view threshold	279.00 ms (-2.38%) Baseline: 285.81 ms	300.10 ms (92.97%)
performance_test/tests/test_objects_list.py::test_objects_api_list_large_page_size_page_5	📈 view plot 🚷 view threshold	279.25 ms (-2.45%) Baseline: 286.26 ms	300.57 ms (92.90%)
performance_test/tests/test_objects_list.py::test_objects_api_list_small_page_size_page_20	📈 view plot 🚷 view threshold	130.38 ms (-1.23%) Baseline: 132.00 ms	138.60 ms (94.07%)

🐰 View full continuous benchmarking report in Bencher

[Floris272]

Did find some remaining direct TokenAuthFactory calls in create_data.py and objects.utils.test