ci: automated update to rustc 1.90.0 #7671

Job	Run time
Rust fmt	15s
prepare	3s
Rust clippy	1m 33s
Check no_std	40s
Build & Test (1.90.0, true, --no-default-features --features miniscript/no-std,bdk_chain/hashbrown)	1m 53s
Build & Test (1.90.0, true, --all-features)	1m 49s
Build & Test (1.63.0, --no-default-features --features miniscript/no-std,bdk_chain/hashbrown)	1m 7s
Build & Test (1.75.0, --all-features)	1m 21s
Build & Test Examples (example_cli)	49s
Build & Test Examples (example_bitcoind_rpc_polling)	46s
Build & Test Examples (example_electrum)	1m 0s
Build & Test (1.75.0, --no-default-features --features miniscript/no-std,bdk_chain/hashbrown)	30s
Build & Test Examples (example_esplora)	59s
Build & Test (1.63.0, --all-features)	53s
Check WASM	3m 14s
	16m 52s

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