Ape Etherscan 0.8.4

Changes

• fix: pin Ape to version needed for networks feature / v2 api @antazoey (#160)
• feat: switch to V2 API and implement supported_chain for broader network support @antazoey (#156)
• fix: handle new fields from contract-creation API response @antazoey (#159)
• fix: put back package-level __all__ (exports` @antazoey (#158)
• perf: plugin load time @antazoey (#157)
• feat: add support for all remaining networks @antazoey (#155)
• docs: add documentation @antazoey (#154)
• chore: update lint dependencies @antazoey (#153)

Special thanks to: @antazoey