feat!: bump Rust polars to 0.39.0 #699

Job	Run time
build (ubuntu-20.04, x86_64-unknown-linux-gnu)	12m 21s
build (ubuntu-20.04, aarch64-unknown-linux-gnu)	12m 55s
build (macos-14, x86_64-apple-darwin)	12m 42s
build (macos-14, aarch64-apple-darwin)	13m 4s
build (windows-latest, x86_64-pc-windows-gnu)	27m 13s
test (macos-12, release)	3m 16s
test (macos-14, release)	1m 50s
test (windows-latest, oldrel-1)	4m 55s
test (windows-latest, release)	6m 59s
test (windows-latest, devel)	4m 27s
test (ubuntu-latest, oldrel-1)	2m 30s
test (ubuntu-latest, release)	2m 18s
test (ubuntu-latest, devel)	2m 29s
merge	11s
release	0s
	1h 47m 10s

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