build(deps): update itertools requirement from 0.13.0 to 0.14.0 #1465

Job	Run time
test on beta	2m 30s
build with MSRV (1.66.1)	1m 58s
Rustfmt	20s
Check Rust doc	26s
actionlint	5s
Clippy	31s
Check if automatically generated code is up to date	21s
build with default features	30s
build with no_std (ristretto255)	18s
build with no_std (ed25519)	26s
build with no_std (p256)	26s
build with no_std (secp256k1)	21s
build with no_std (secp256k1-tr)	21s
build with no_std (rerandomized)	17s
	8m 50s

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