Add `BTreeMap` like apis to `LiteMap` (#5894) #2587

Job	Run time
Check Credentials for jobs that need JSON credentials	4s
WASM Demo	1m 36s
bench-memory (macos-latest)	3m 37s
bench-memory (ubuntu-latest)	3m 38s
bench-memory (windows-latest)	7m 58s
bench-binsize	2m 35s
bench-perf (components/collections)	4m 34s
bench-perf (components/datetime)	38s
bench-perf (components/locale)	2m 39s
bench-perf (components/locale_core)	5m 20s
bench-perf (components/plurals)	6m 18s
bench-perf (components/segmenter)	3m 40s
bench-perf (provider/blob)	2m 26s
bench-perf (utils/fixed_decimal)	5m 56s
bench-perf (utils/litemap)	2m 5s
bench-perf (utils/tinystr)	6m 30s
bench-perf (utils/writeable)	3m 55s
bench-perf (utils/zerotrie)	5m 15s
bench-perf (utils/zerovec)	8m 41s
Rust docs	4m 32s
C++ docs	35s
Dart docs	1m 23s
TypeScript docs	39s
Deploy to GitHub Pages	7m 38s
	1h 32m 12s

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