chore(meta): bump version to 0.8.4

[Jon-Becker]

Motivation

Solution

[github-actions]

Benchmark for 13429ee

Click to view benchmark

Test	Base	PR	%
heimdall_cfg/complex	18.3±3.78ms	13.8±0.05ms	-24.59%
heimdall_cfg/simple	2.3±0.02ms	2.1±0.10ms	-8.70%
heimdall_decoder/seaport	35.8±1.70µs	36.5±0.91µs	+1.96%
heimdall_decoder/transfer	2.9±0.24µs	3.0±0.26µs	+3.45%
heimdall_decoder/uniswap	9.9±0.31µs	10.2±0.40µs	+3.03%
heimdall_decompiler/abi_complex	59.8±1.07ms	62.9±1.89ms	+5.18%
heimdall_decompiler/abi_simple	2.2±0.02ms	2.3±0.05ms	+4.55%
heimdall_decompiler/sol_complex	70.6±0.84ms	73.5±4.23ms	+4.11%
heimdall_decompiler/sol_simple	2.5±0.01ms	2.6±0.01ms	+4.00%
heimdall_decompiler/yul_complex	62.8±0.45ms	64.7±1.23ms	+3.03%
heimdall_decompiler/yul_simple	2.3±0.01ms	2.4±0.01ms	+4.35%
heimdall_disassembler/complex	942.7±11.26µs	993.7±10.31µs	+5.41%
heimdall_disassembler/simple	44.9±0.67µs	46.3±2.61µs	+3.12%