feat: add validate_output parameter to call_tool decorator #4137

Job	Run time
checks / pre-commit	17s
checks / readme-snippets	11s
checks / test (3.11, lowest-direct, windows-latest)	2m 41s
checks / test (3.10, highest, ubuntu-latest)	44s
checks / test (3.10, lowest-direct, ubuntu-latest)	44s
checks / test (3.11, lowest-direct, ubuntu-latest)	45s
checks / test (3.11, highest, ubuntu-latest)	47s
checks / test (3.13, lowest-direct, windows-latest)	2m 56s
checks / test (3.13, lowest-direct, ubuntu-latest)	46s
checks / test (3.12, highest, ubuntu-latest)	47s
checks / test (3.10, highest, windows-latest)	2m 18s
checks / test (3.11, highest, windows-latest)	2m 48s
checks / test (3.12, lowest-direct, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, windows-latest)	3m 14s
checks / test (3.10, lowest-direct, windows-latest)	2m 46s
checks / test (3.12, highest, windows-latest)	3m 21s
checks / test (3.13, highest, ubuntu-latest)	46s
checks / test (3.13, highest, windows-latest)	2m 41s
all-green	2s
	29m 22s

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