Add support for Label and File Upload components #6364

Job	Run time
Examples	2m 13s
Build docs	49s
Check minimal versions	33s
Check (temp cache)	30s
Check (builder without model)	27s
Check (unstable (no default features))	25s
Check (temp cache + typesize)	32s
Check (unstable + typesize)	33s
Test (macOS)	48s
Test (no default features)	31s
Test (beta)	46s
Test (nightly)	42s
Test (stable)	57s
Test (Windows)	1m 51s
Test (zlib compression)	1m 3s
Test (zstd compression)	53s
Test (no gateway)	52s
Test (chrono)	32s
Test (native-tls)	49s
Test (no cache)	52s
MSRV	0s
Test (zlib and zstd compression)	56s
	17m 34s

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