feat: add support for Python 3.13 #4541

Job	Run time
pyright	43s
slotscheck	23s
mypy	1m 5s
validate	17s
Test server integration (uvicorn<0.27.0)	35s
Test server integration (uvicorn>=0.27.0)	39s
Test Minimal Application with Base Dependencies	18s
Test Minimal Pydantic 1 application	15s
test-platform-compat	0s
test (3.12) / test	3m 6s
test (3.10) / test	1m 55s
test (3.11) / test	1m 41s
test (3.13) / test	2m 53s
test (3.8) / test	2m 42s
test (3.9) / test	1m 59s
build-docs	2m 15s
codeql	0s
sonar	0s
upload-test-coverage	0s
	20m 46s

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