refactor: make codebase compatible with Python 3.11

[aarthy-dk]

No description provided.

[github-actions]

Coverage Report •

File	Stmts	Miss	Branch	BrPart	Cover	Missing
testgen/common/database/flavor
bigquery_flavor_service.py	16	16	0	0	0%	1–24
testgen/common/models
scores.py	316	177	68	0	36%	111–123, 127–134, 144–186, 189–192, 195–197, 200–214, 226–265, 280–310, 326–367, 383–410, 420–442, 445–451, 457, 512, 518–530, 533–534, 544, 548–563, 593–597, 600–601, 652–660, 663–667, 699–706
testgen/ui/queries
profiling_queries.py	90	65	14	0	24%	75–126, 137–142, 152–157, 167–172, 183–282, 293–298, 311–321, 331–336, 346–351, 362–452, 457–507, 520–596
testgen/ui/scripts
patch_streamlit.py	92	92	34	0	0%	3–221
testgen/ui/views
data_catalog.py	215	215	58	0	0%	1–687
monitors_dashboard.py	329	329	80	0	0%	1–1058
profiling_results.py	125	125	36	0	0%	1–321
score_details.py	119	119	20	0	0%	1–269
score_explorer.py	181	181	54	0	0%	1–407
test_results.py	361	349	108	0	3%	15–977
TOTAL	13213	10031	3092	3	20%

Tests	Skipped	Failures	Errors	Time
5	0 💤	0 ❌	5 🔥	13.406s ⏱️