build(deps-dev): bump torchmetrics from 1.4.2 to 1.4.3 in /runtimes/mlflow #4050

Job	Run time
test-mlserver (ubuntu-22.04, 3.9, true)	13m 50s
generate (3.9, dataplane)	29s
test-mlserver (ubuntu-22.04, 3.10, true)	13m 41s
test-all-runtimes	0s
generate (3.9, model-repository)	31s
lint (3.9)	47s
generate (3.10, dataplane)	43s
lint (3.10)	50s
generate (3.10, model-repository)	34s
test-runtimes (ubuntu-22.04, 3.9, sklearn, true)	2m 7s
test-runtimes (ubuntu-22.04, 3.9, xgboost, true)	4m 5s
test-runtimes (ubuntu-22.04, 3.9, lightgbm, true)	2m 5s
test-runtimes (ubuntu-22.04, 3.9, mlflow, true)	5m 39s
test-runtimes (ubuntu-22.04, 3.9, huggingface, true)	7m 2s
test-runtimes (ubuntu-22.04, 3.9, alibi-explain, true)	5m 25s
test-runtimes (ubuntu-22.04, 3.9, alibi-detect, true)	3m 33s
test-runtimes (ubuntu-22.04, 3.9, catboost, true)	2m 20s
test-runtimes (ubuntu-22.04, 3.10, sklearn, true)	2m 1s
test-runtimes (ubuntu-22.04, 3.10, xgboost, true)	3m 9s
test-runtimes (ubuntu-22.04, 3.10, lightgbm, true)	1m 57s
test-runtimes (ubuntu-22.04, 3.10, mlflow, true)	6m 23s
test-runtimes (ubuntu-22.04, 3.10, huggingface, true)	6m 38s
test-runtimes (ubuntu-22.04, 3.10, alibi-explain, true)	5m 27s
test-runtimes (ubuntu-22.04, 3.10, alibi-detect, true)	3m 32s
test-runtimes (ubuntu-22.04, 3.10, catboost, true)	2m 21s
	1h 35m 9s

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