Fix #10951: UdtfExec invariant Vec lengths must match children count … #786

Job	Run time
Setup strategy matrix	4s
Build macOS aarch64 (Apple Silicon) binaries	1d 0h 0m 1s
Build Linux x64 binaries	1d 0h 0m 1s
Publish ${{ matrix.target_os }}-${{ matrix.target_arch }} binaries	-1s
	2d 0h 0m 5s

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