chore: bump MSRV to 1.83 #852

Job	Run time
feature-checks	3m 10s
docs	1m 13s
doctest	1m 23s
clippy	1m 1s
fmt	14s
test stable (ubuntu-latest)	1m 18s
test stable --all-features (ubuntu-latest)	2m 18s
test 1.81 (ubuntu-latest)	25s
test stable (macos-latest)	1m 37s
test stable --all-features (macos-latest)	2m 38s
test 1.81 (macos-latest)	52s
test stable (windows-latest)	3m 4s
test stable --all-features (windows-latest)	3m 0s
test 1.81 (windows-latest)	2m 2s
	24m 15s

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