feat: add validate_output parameter to call_tool decorator #4138

Job	Run time
checks / readme-snippets	12s
checks / pre-commit	20s
checks / test (3.11, lowest-direct, ubuntu-latest)	42s
checks / test (3.10, highest, windows-latest)	2m 31s
checks / test (3.10, lowest-direct, ubuntu-latest)	42s
checks / test (3.11, highest, windows-latest)	2m 45s
checks / test (3.13, highest, ubuntu-latest)	50s
checks / test (3.13, lowest-direct, ubuntu-latest)	43s
checks / test (3.13, highest, windows-latest)	2m 34s
checks / test (3.12, lowest-direct, windows-latest)	4m 0s
checks / test (3.10, lowest-direct, windows-latest)	2m 24s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.11, lowest-direct, windows-latest)	2m 19s
checks / test (3.12, highest, ubuntu-latest)	52s
checks / test (3.12, highest, windows-latest)	3m 12s
checks / test (3.11, highest, ubuntu-latest)	44s
checks / test (3.10, highest, ubuntu-latest)	49s
checks / test (3.13, lowest-direct, windows-latest)	2m 22s
all-green	3s
	28m 55s

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