build(deps): bump solana-signature from 2.3.0 to 3.1.0 #622

Job	Run time
Set variables to be used in strategy definitions in reusable workflow	6s
main / Format & Lint JS (clients-js)	16s
main / Audit	24s
main / Format & Lint JS (clients-js-legacy)	20s
main / Spellcheck	36s
main / Build WASM (program)	25s
main / Format & Lint Rust (program)	1m 22s
main / Format & Lint Rust (clients-cli)	10m 44s
main / Build Programs	40s
main / Generate IDL	0s
main / Check Client Generation	22s
main / Format & Lint Python	0s
main / Test Rust (clients-cli)	11m 27s
main / Test Rust (program)	3m 20s
main / Test JS (clients-js-legacy)	34s
main / Test JS (clients-js)	34s
main / Regression Programs	0s
main / Bench Rust	-1s
main / Test Python	-1s
	31m 8s

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