Introduce `evicted-at`/`last-evicted` timestamps #6715

Job	Run time
prepare	3s
Check no_std	17s
Check WASM	45s
Build & Test Examples (example_cli)	15s
Build & Test (1.84.0, true, --no-default-features --features miniscript/no-std)	1m 31s
Build & Test Examples (example_bitcoind_rpc_polling)	31s
Build & Test (1.84.0, true, --all-features)	3m 53s
Build & Test Examples (example_electrum)	55s
Rust clippy	48s
Build & Test (1.63.0, --no-default-features --features miniscript/no-std)	1m 59s
Build & Test Examples (example_esplora)	52s
Rust fmt	12s
Build & Test (1.63.0, --all-features)	4m 11s
Build & Test Examples (example_wallet_electrum)	51s
Build & Test (1.75.0, --no-default-features --features miniscript/no-std)	1m 39s
Build & Test Examples (example_wallet_esplora_async)	1m 0s
Build & Test Examples (example_wallet_esplora_blocking)	56s
Build & Test (1.75.0, --all-features)	6m 8s
Build & Test Examples (example_wallet_rpc)	29s
	27m 15s

Provide feedback