feat: add missing txtype tryfroms (#272) #966

Job	Run time
doctest	31s
test stable --no-default-features	1m 13s
test stable	59s
test stable --all-features	1m 20s
test nightly --no-default-features	36s
cfg-check	25s
test nightly	44s
clippy	29s
docs	29s
test nightly --all-features	1m 10s
feature-checks	1m 20s
test 1.81 --no-default-features	34s
feature-powerset	2m 35s
fmt	13s
test 1.81	51s
no-std	37s
wasm-unknown	37s
wasm-wasi	32s
	15m 15s

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