Swap Id from `NonZero` to `NonMax` (#2689) #871

Job	Run time
Check minimal versions	35s
MSRV	0s
Test (macOS)	3m 27s
Build docs	22s
Test (nightly)	3m 17s
Test (stable)	3m 6s
Test (beta)	3m 5s
Examples	3m 46s
Test (Windows)	6m 1s
Test (native-tls)	2m 48s
Test (no default features)	52s
Test (no cache)	2m 54s
Test (no gateway)	1m 48s
Test (unstable Discord API features)	3m 3s
Test (simd-json)	3m 3s
Test (chrono, chrono)	50s
Test (unstable API + typesize, default unstable_discord_api typesize, true)	1m 6s
Test (builder without model, builder, true)	32s
Test (unstable Discord API (no default features), unstable_discord_api, true)	28s
	41m 3s

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