chore(deps): bump subxt signer deps (#1840) #5393

Job	Run time
Check unused dependencies	1m 31s
Cargo fmt	27s
Cargo check	12m 49s
Cargo clippy (WASM)	2m 7s
Check documentation and run doc tests	7m 18s
Cargo clippy	6m 2s
Cargo check (WASM)	1m 39s
Test (no_std)	2m 17s
Test (Native)	16m 11s
Test (Light Client)	3m 58s
Test chainhead backend	17m 11s
Test (WASM)	11m 52s
	1h 23m 22s

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