Update rust and llvm for coverage

[lrubasze]

Summary

• Setup Rust 1.81.0-nightly and LLVM 18 in CI
• Bump minicov to 0.3.5

TODO: update documentations before release

[github-actions]

Docker tags
docker.io/radixdlt/private-scrypto-builder:45fa2d7169

[github-actions]

Benchmark for 45fa2d7

Click to view benchmark

Test	Base	PR	%
costing::bench_prepare_wasm	65.1±0.14ms	65.2±0.15ms	+0.15%
costing::decode_sbor	10.8±0.02µs	10.9±0.02µs	+0.93%
costing::decode_sbor_bytes	29.3±0.27µs	30.1±1.31µs	+2.73%
costing::deserialize_wasm	1292.7±49.34µs	1290.0±2.44µs	-0.21%
costing::instantiate_flash_loan	3.7±0.36ms	4.0±0.85ms	+8.11%
costing::instantiate_radiswap	5.7±0.07ms	5.7±0.04ms	0.00%
costing::spin_loop	21.6±0.05ms	21.7±0.06ms	+0.46%
costing::validate_sbor_payload	27.6±0.05µs	26.9±0.23µs	-2.54%
costing::validate_sbor_payload_bytes	243.9±0.64ns	243.5±1.42ns	-0.16%
costing::validate_secp256k1	76.2±0.03µs	78.9±5.73µs	+3.54%
costing::validate_wasm	36.3±0.36ms	36.4±0.06ms	+0.28%
decimal::add/0	8.4±0.00ns	8.4±0.00ns	0.00%
decimal::add/rust-native	9.8±0.00ns	9.8±0.00ns	0.00%
decimal::add/wasmer	115.4±0.12ns	114.0±0.12ns	-1.21%
decimal::add/wasmer-call-native	444.4±0.33ns	452.8±2.58ns	+1.89%
decimal::add/wasmi	618.8±3.28ns	620.3±2.16ns	+0.24%
decimal::add/wasmi-call-native	4.9±0.03µs	4.9±0.02µs	0.00%
decimal::div/0	191.7±0.36ns	189.5±0.23ns	-1.15%
decimal::from_string/0	157.5±0.68ns	153.2±0.31ns	-2.73%
decimal::mul/0	141.4±0.08ns	139.5±0.16ns	-1.34%
decimal::mul/rust-native	138.9±0.07ns	139.6±0.14ns	+0.50%
decimal::mul/wasmer	1511.3±0.75ns	1501.5±1.10ns	-0.65%
decimal::mul/wasmer-call-native	580.0±0.33ns	580.8±1.69ns	+0.14%
decimal::mul/wasmi	41.2±0.17µs	41.5±0.19µs	+0.73%
decimal::mul/wasmi-call-native	5.0±0.01µs	5.1±0.01µs	+2.00%
decimal::pow/0	654.8±0.90ns	655.4±0.47ns	+0.09%
decimal::pow/rust-native	635.2±1.92ns	634.6±1.87ns	-0.09%
decimal::pow/wasmer	6.6±0.00µs	6.7±0.01µs	+1.52%
decimal::pow/wasmer-call-native	1019.0±0.56ns	1022.8±1.61ns	+0.37%
decimal::pow/wasmi	194.3±0.26µs	193.9±0.31µs	-0.21%
decimal::pow/wasmi-call-native	5.0±0.01µs	5.1±0.01µs	+2.00%
decimal::root/0	7.9±0.01µs	7.8±0.00µs	-1.27%
decimal::sub/0	8.5±0.01ns	8.5±0.01ns	0.00%
decimal::to_string/0	465.1±3.73ns	440.8±0.38ns	-5.22%
precise_decimal::add/0	9.5±0.07ns	9.3±0.01ns	-2.11%
precise_decimal::add/rust-native	11.4±0.00ns	11.4±0.00ns	0.00%
precise_decimal::add/wasmer	127.1±0.10ns	130.3±0.42ns	+2.52%
precise_decimal::add/wasmer-call-native	509.4±0.42ns	506.9±0.49ns	-0.49%
precise_decimal::add/wasmi	764.9±6.47ns	779.9±2.34ns	+1.96%
precise_decimal::add/wasmi-call-native	6.4±0.01µs	6.4±0.01µs	0.00%
precise_decimal::div/0	303.4±0.60ns	304.2±1.73ns	+0.26%
precise_decimal::from_string/0	198.5±0.11ns	198.8±0.34ns	+0.15%
precise_decimal::mul/0	344.7±1.03ns	347.2±0.87ns	+0.73%
precise_decimal::mul/rust-native	302.5±0.17ns	302.0±0.48ns	-0.17%
precise_decimal::mul/wasmer	3.4±0.00µs	3.5±0.00µs	+2.94%
precise_decimal::mul/wasmer-call-native	841.1±2.52ns	863.8±4.96ns	+2.70%
precise_decimal::mul/wasmi	105.8±0.17µs	107.2±0.18µs	+1.32%
precise_decimal::mul/wasmi-call-native	6.8±0.02µs	6.9±0.03µs	+1.47%
precise_decimal::pow/0	1840.9±1.67ns	1847.5±2.83ns	+0.36%
precise_decimal::pow/rust-native	1478.1±3.99ns	1477.8±5.94ns	-0.02%
precise_decimal::pow/wasmer	17.0±0.04µs	16.3±0.03µs	-4.12%
precise_decimal::pow/wasmer-call-native	2.1±0.00µs	2.1±0.00µs	0.00%
precise_decimal::pow/wasmi	511.3±1.36µs	508.5±0.55µs	-0.55%
precise_decimal::pow/wasmi-call-native	12.9±0.05µs	13.0±0.02µs	+0.78%
precise_decimal::root/0	58.0±0.13µs	57.0±0.03µs	-1.72%
precise_decimal::sub/0	9.5±0.01ns	9.5±0.01ns	0.00%
precise_decimal::to_string/0	722.3±0.66ns	728.4±1.52ns	+0.84%
schema::validate_payload	356.2±0.38µs	345.7±8.80µs	-2.95%
transaction::radiswap	5.4±0.02ms	5.4±0.03ms	0.00%
transaction::transfer	1754.0±7.25µs	1751.0±4.99µs	-0.17%
transaction_processing::prepare	2.2±0.00ms	2.2±0.00ms	0.00%
transaction_processing::prepare_and_decompile	6.1±0.01ms	6.1±0.02ms	0.00%
transaction_processing::prepare_and_decompile_and_recompile	25.0±1.67ms	24.4±1.00ms	-2.40%
transaction_validation::validate_manifest	42.2±0.04µs	42.3±0.04µs	+0.24%
transaction_validation::verify_bls_2KB	970.1±19.02µs	1038.1±63.13µs	+7.01%
transaction_validation::verify_bls_32B	971.5±21.97µs	1039.7±40.01µs	+7.02%
transaction_validation::verify_ecdsa	74.3±0.05µs	74.3±0.05µs	0.00%
transaction_validation::verify_ed25519	55.5±0.05µs	54.6±0.08µs	-1.62%