chore: Rename feature `fuzzing` to `disable-encryption` #2057

Job	Run time
Build & test (ubuntu-latest, 1.74.0, debug)	9m 17s
Build & test (ubuntu-latest, stable, debug)	9m 23s
Build & test (ubuntu-latest, nightly, debug)	9m 19s
Build & test (macos-14, 1.74.0, debug)	8m 35s
Build & test (macos-14, stable, debug)	9m 57s
Build & test (macos-14, nightly, debug)	8m 21s
Build & test (windows-latest, 1.74.0, debug)	19m 3s
Build & test (windows-latest, stable, debug)	19m 13s
Build & test (windows-latest, nightly, debug)	20m 54s
Build & test (ubuntu-latest, stable, release)	17m 9s
Benchmark / Benchmark	16m 42s
	2h 27m 53s

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