Added expression support for `polars contains` (#13769) #104

Job	Run time
plugins (windows-latest)	10m 23s
tests (windows-latest)	12m 45s
plugins (macos-13)	10m 29s
std-lib-and-python-virtualenv (ubuntu-20.04, py)	4m 1s
tests (macos-latest)	4m 39s
fmt-clippy (windows-latest)	5m 37s
plugins (ubuntu-20.04)	5m 33s
std-lib-and-python-virtualenv (macos-latest, py)	3m 46s
tests (ubuntu-20.04)	6m 24s
fmt-clippy (macos-13)	6m 4s
std-lib-and-python-virtualenv (windows-latest, py)	8m 42s
fmt-clippy (ubuntu-20.04)	2m 34s
	1h 20m 57s

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