Add ability to specify timestamp_column on kafka stream #55

Job	Run time
linux (ubuntu-latest, x86_64)	10m 23s
macos (macos-12, x86_64)	13m 5s
linux (ubuntu-latest, aarch64)	10m 44s
linux (ubuntu-latest, s390x)	14m 26s
macos (macos-14, aarch64)	9m 32s
musllinux (ubuntu-latest, x86_64)	10m 58s
linux (ubuntu-latest, ppc64le)	11m 14s
musllinux (ubuntu-latest, aarch64)	11m 11s
sdist	32s
	1h 32m 5s

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