chore: JSON-RPC 2.0 spelling #3465

Job	Run time
cfg-check	35s
docs	1m 16s
doctest	1m 26s
clippy	54s
feature-checks	3m 46s
fmt	17s
no-std	27s
wasm-unknown	1m 24s
test ubuntu-latest stable --no-default-features	1m 38s
wasm-wasi	1m 45s
test ubuntu-latest stable	1m 33s
test ubuntu-latest stable --all-features	2m 4s
test ubuntu-latest nightly --no-default-features	1m 23s
test ubuntu-latest nightly	1m 33s
test ubuntu-latest nightly --all-features	1m 53s
test ubuntu-latest 1.76 --no-default-features	43s
test ubuntu-latest 1.76	47s
test windows-latest stable --no-default-features	4m 38s
test windows-latest stable	4m 5s
test windows-latest stable --all-features	4m 14s
test windows-latest nightly --no-default-features	4m 39s
test windows-latest nightly	4m 31s
test windows-latest nightly --all-features	4m 42s
test windows-latest 1.76 --no-default-features	3m 21s
test windows-latest 1.76	3m 20s
	56m 54s

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