Add Homebrew install to macOS install script

[azizi-a]

Summary

• Add Homebrew install to macOS install script
• Fix check for LLVM in PATH variable

Testing

Manually tested on macOS

[github-actions]

Docker tags
docker.io/radixdlt/private-scrypto-builder:ae4f8a1a8c

[github-actions]

Benchmark for ae4f8a1

Click to view benchmark

Test	Base	PR	%
costing::bench_prepare_wasm	44.9±0.09ms	44.5±0.21ms	-0.89%
costing::decode_encoded_i8_array_to_manifest_raw_value	19.6±0.03ms	19.3±0.01ms	-1.53%
costing::decode_encoded_i8_array_to_manifest_value	40.9±0.07ms	42.3±0.09ms	+3.42%
costing::decode_encoded_tuple_array_to_manifest_raw_value	71.4±0.18ms	72.1±0.19ms	+0.98%
costing::decode_encoded_tuple_array_to_manifest_value	98.5±0.40ms	121.3±1.32ms	+23.15%
costing::decode_encoded_u8_array_to_manifest_raw_value	25.7±0.07µs	32.4±0.06µs	+26.07%
costing::decode_encoded_u8_array_to_manifest_value	40.8±0.04ms	42.5±0.03ms	+4.17%
costing::decode_rpd_to_manifest_raw_value	14.6±0.02µs	14.6±0.05µs	0.00%
costing::decode_rpd_to_manifest_value	11.0±0.03µs	10.9±0.03µs	-0.91%
costing::deserialize_wasm	1203.6±4.29µs	1229.8±8.36µs	+2.18%
costing::execute_transaction_creating_big_vec_substates	682.4±2.43ms	698.4±9.18ms	+2.34%
costing::execute_transaction_reading_big_vec_substates	587.8±1.52ms	600.1±2.50ms	+2.09%
costing::instantiate_flash_loan	822.7±204.21µs	988.3±951.35µs	+20.13%
costing::instantiate_radiswap	940.3±993.39µs	1090.3±1768.37µs	+15.95%
costing::scrypto_malloc	668.2±1.11ms	661.0±0.96ms	-1.08%
costing::scrypto_sbor_decode	660.6±1.10ms	659.0±0.87ms	-0.24%
costing::scrypto_sha256	585.0±1.52ms	583.2±0.61ms	-0.31%
costing::spin_loop_v1	509.1±1.09ms	513.7±1.95ms	+0.90%
costing::spin_loop_v2	596.5±0.44ms	596.2±3.36ms	-0.05%
costing::validate_sbor_payload	29.2±0.07µs	29.5±0.05µs	+1.03%
costing::validate_sbor_payload_bytes	254.8±1.42ns	249.9±0.64ns	-1.92%
costing::validate_secp256k1	76.5±0.07µs	76.6±0.08µs	+0.13%
costing::validate_wasm	33.4±0.03ms	33.5±0.03ms	+0.30%
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/wasmi	317.2±1.99ns	321.6±1.78ns	+1.39%
decimal::add/wasmi-call-native	2.9±0.00µs	3.0±0.01µs	+3.45%
decimal::div/0	168.4±0.30ns	168.1±0.15ns	-0.18%
decimal::from_string/0	156.6±0.15ns	158.0±0.19ns	+0.89%
decimal::mul/0	127.8±0.23ns	130.0±0.16ns	+1.72%
decimal::mul/rust-native	126.8±0.24ns	126.8±0.25ns	0.00%
decimal::mul/wasmi	19.6±0.02µs	19.2±0.03µs	-2.04%
decimal::mul/wasmi-call-native	3.1±0.01µs	3.2±0.00µs	+3.23%
decimal::pow/0	603.2±0.69ns	592.1±0.33ns	-1.84%
decimal::pow/rust-native	589.4±0.67ns	591.4±0.84ns	+0.34%
decimal::pow/wasmi	95.8±0.08µs	91.6±0.09µs	-4.38%
decimal::pow/wasmi-call-native	5.0±0.02µs	4.9±0.00µs	-2.00%
decimal::root/0	8.2±0.01µs	8.1±0.01µs	-1.22%
decimal::sub/0	8.2±0.06ns	8.2±0.07ns	0.00%
decimal::to_string/0	443.0±0.25ns	443.6±1.18ns	+0.14%
large_transaction_processing::prepare	2.6±0.00ms	2.5±0.00ms	-3.85%
large_transaction_processing::prepare_and_decompile	6.2±0.02ms	6.2±0.01ms	0.00%
large_transaction_processing::prepare_and_decompile_and_recompile	31.3±0.28ms	29.4±1.49ms	-6.07%
metadata_validation::validate_urls	4.7±0.05µs	4.9±0.04µs	+4.26%
precise_decimal::add/0	8.9±0.01ns	9.0±0.03ns	+1.12%
precise_decimal::add/rust-native	10.7±0.10ns	10.7±0.05ns	0.00%
precise_decimal::add/wasmi	419.4±1.57ns	418.8±1.75ns	-0.14%
precise_decimal::add/wasmi-call-native	3.8±0.01µs	3.8±0.01µs	0.00%
precise_decimal::div/0	286.7±0.33ns	295.0±0.62ns	+2.90%
precise_decimal::from_string/0	201.5±0.28ns	202.1±0.19ns	+0.30%
precise_decimal::mul/0	329.3±0.34ns	332.4±0.28ns	+0.94%
precise_decimal::mul/rust-native	287.3±0.14ns	287.1±0.36ns	-0.07%
precise_decimal::mul/wasmi	47.5±0.19µs	48.2±0.19µs	+1.47%
precise_decimal::mul/wasmi-call-native	4.1±0.00µs	4.2±0.01µs	+2.44%
precise_decimal::pow/0	1745.3±2.73ns	1726.4±2.30ns	-1.08%
precise_decimal::pow/rust-native	1356.0±1.76ns	1355.7±1.46ns	-0.02%
precise_decimal::pow/wasmi	227.8±0.39µs	228.5±0.32µs	+0.31%
precise_decimal::pow/wasmi-call-native	7.5±0.02µs	7.5±0.01µs	0.00%
precise_decimal::root/0	57.9±0.02µs	58.0±0.08µs	+0.17%
precise_decimal::sub/0	9.2±0.04ns	9.2±0.07ns	0.00%
precise_decimal::to_string/0	691.4±0.20ns	692.7±0.64ns	+0.19%
schema::validate_payload	383.9±0.48µs	392.5±0.95µs	+2.24%
transaction::radiswap	4.9±0.02ms	4.9±0.02ms	0.00%
transaction::transfer	1787.8±4.37µs	1843.7±3.35µs	+3.13%
transaction_validation::validate_manifest	43.1±0.08µs	43.1±0.18µs	0.00%
transaction_validation::verify_bls_2KB	997.6±10.80µs	994.1±9.70µs	-0.35%
transaction_validation::verify_bls_32B	969.8±10.63µs	962.8±6.92µs	-0.72%
transaction_validation::verify_ecdsa	74.4±0.05µs	74.6±0.06µs	+0.27%
transaction_validation::verify_ed25519	47.5±0.08µs	47.4±0.08µs	-0.21%