Update MSRV to 1.62 due to dependencies #1032

Job	Run time
Build benchmarks	30s
Build documentation	20s
Minimum supported Rust version (no default features)	17s
Ubuntu (stable, no default features)	33s
Windows (stable, default features)	1m 33s
Minimum supported Rust version (all features)	25s
Ubuntu (stable, all features)	30s
Ubuntu (stable, default features)	23s
Minimum supported Rust version (default features)	12s
Ubuntu (nightly, no default features)	21s
Compute binary sizes	36s
Ubuntu (nightly, all features)	24s
Fuzz test (fill_first_fit)	31s
Ubuntu (nightly, default features)	22s
Fuzz test (fill_optimal_fit)	30s
Build Wasm demo	22s
Fuzz test (fill_fast_path)	33s
Fuzz test (wrap_first_fit)	32s
Fuzz test (wrap_optimal_fit)	32s
Fuzz test (wrap_optimal_fit_usize)	34s
Fuzz test (wrap_fast_path)	32s
Fuzz test (unfill)	31s
Fuzz test (refill)	31s
Deploy Wasm demo	0s
	11m 34s

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