build(deps): Upgrade fastapi and starlette #4068

Job	Run time
test-all-runtimes	0s
lint (3.9)	45s
test-mlserver (ubuntu-22.04, 3.9, true)	13m 24s
generate (3.9, dataplane)	31s
lint (3.10)	48s
test-mlserver (ubuntu-22.04, 3.10, true)	13m 15s
test-runtimes (ubuntu-22.04, 3.9, sklearn, true)	1m 58s
generate (3.9, model-repository)	31s
generate (3.10, dataplane)	31s
test-runtimes (ubuntu-22.04, 3.9, xgboost, true)	2m 51s
generate (3.10, model-repository)	30s
test-runtimes (ubuntu-22.04, 3.9, lightgbm, true)	1m 59s
test-runtimes (ubuntu-22.04, 3.9, mlflow, true)	6m 16s
test-runtimes (ubuntu-22.04, 3.9, huggingface, true)	7m 40s
test-runtimes (ubuntu-22.04, 3.9, alibi-explain, true)	5m 50s
test-runtimes (ubuntu-22.04, 3.9, alibi-detect, true)	3m 34s
test-runtimes (ubuntu-22.04, 3.9, catboost, true)	2m 22s
test-runtimes (ubuntu-22.04, 3.10, sklearn, true)	1m 55s
test-runtimes (ubuntu-22.04, 3.10, xgboost, true)	3m 54s
test-runtimes (ubuntu-22.04, 3.10, lightgbm, true)	1m 52s
test-runtimes (ubuntu-22.04, 3.10, mlflow, true)	5m 44s
test-runtimes (ubuntu-22.04, 3.10, huggingface, true)	6m 55s
test-runtimes (ubuntu-22.04, 3.10, alibi-explain, true)	5m 59s
test-runtimes (ubuntu-22.04, 3.10, alibi-detect, true)	3m 44s
test-runtimes (ubuntu-22.04, 3.10, catboost, true)	2m 4s
	1h 34m 52s

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