Bump diplomat (#5232) #2088

Job	Run time
Check Credentials for jobs that need JSON credentials	2s
WASM Demo	2m 5s
bench-binsize	2m 54s
bench-memory (macos-latest)	3m 25s
bench-memory (ubuntu-latest)	3m 43s
bench-memory (windows-latest)	9m 13s
bench-perf (components/collections)	4m 35s
bench-perf (components/datetime)	4m 25s
bench-perf (components/locale)	2m 41s
bench-perf (components/locale_core)	5m 14s
bench-perf (components/plurals)	6m 8s
bench-perf (components/segmenter)	3m 43s
bench-perf (provider/blob)	3m 26s
bench-perf (utils/fixed_decimal)	6m 9s
bench-perf (utils/litemap)	2m 9s
bench-perf (utils/tinystr)	6m 31s
bench-perf (utils/writeable)	3m 38s
bench-perf (utils/zerotrie)	5m 46s
bench-perf (utils/zerovec)	8m 36s
C++ docs	1m 55s
Rust docs	5m 0s
Dart docs	1m 21s
TypeScript docs	37s
Deploy to GitHub Pages	20m 12s
	1h 53m 28s

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