New `randomPort`, `reserveRandomPort` and `portInUse` functions #229

Job	Run time
Build Haskell (8.10.7, ubuntu-latest, 3.10.1.0)	1m 38s
Build Haskell (8.10.7, macos-latest, 3.10.1.0)	2m 34s
Build Haskell (8.10.7, windows-latest, 3.10.1.0)	2m 42s
Build Haskell (9.2.7, ubuntu-latest, 3.10.1.0)	1m 36s
Build Haskell (9.2.7, macos-latest, 3.10.1.0)	2m 49s
Build Haskell (9.2.7, windows-latest, 3.10.1.0)	2m 58s
Build Haskell (9.6.3, ubuntu-latest, 3.10.1.0)	2m 23s
Build Haskell (9.6.3, macos-latest, 3.10.1.0)	9m 24s
Build Haskell (9.6.3, windows-latest, 3.10.1.0)	2m 57s
Build Haskell (9.8.1, ubuntu-latest, 3.10.1.0)	2m 34s
Build Haskell (9.8.1, macos-latest, 3.10.1.0)	8m 41s
Build Haskell (9.8.1, windows-latest, 3.10.1.0)	3m 15s
check	7s
release	0s
publish	0s
	43m 38s

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