Add support for Label and File Upload components #6379

Job	Run time
Build docs	58s
Examples	3m 50s
Check (unstable (no default features))	56s
Check (builder without model)	45s
Check (unstable + typesize)	56s
Check (temp cache)	1m 1s
Check minimal versions	58s
Check (temp cache + typesize)	57s
Test (nightly)	1m 17s
Test (native-tls)	1m 4s
Test (no gateway)	58s
Test (no cache)	1m 16s
Test (Windows)	3m 7s
Test (beta)	1m 14s
Test (no default features)	42s
Test (chrono)	50s
Test (macOS)	2m 4s
Test (zlib compression)	1m 16s
Test (stable)	1m 18s
Test (zstd compression)	1m 11s
Test (zlib and zstd compression)	1m 0s
MSRV	0s
	27m 38s

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