Bump axios and @cityofzion/neon-js

[dependabot[bot]]

Removes axios. It's no longer used after updating ancestor dependency @cityofzion/neon-js. These dependencies need to be updated together.

Removes axios

Updates @cityofzion/neon-js from 4.9.0 to 5.2.2

Commits

• f316675 v5.2.2
• a0ef47e fix(tx): support NEO3 transaction attributes (#878)
• f833aec fix(tx): WitnessCondition serialization & toJson fixes (#877)
• 81d47c3 v5.2.1
• 3c89ab4 fix(const): Fix testnet magic for T5 (#874)
• a7bd378 fix(tx): fix WitnessRule and WitnessCondition deserialization (#873)
• 7eb101a fix(docs): correct version
• 3b68a5e v5.2.0
• 88748f4 fix(docs): update core docs (#870)
• e8b471c fix(docs): add import note (#869)
• Additional commits viewable in compare view

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