[Nakamoto] Include signer-key (and other args) in `stack-increase` events

[hstove]

In #4461, we added signer-key to stack-increse, along with a few other new arguments. In that PR, we aren't emitting these new arguments via synthetic PoX events. We should, so that the API can index them properly.

To summarize:

• Update stack-increase event with signer key, signature, max amount, and auth ID
• Update stack-stx, stack-extend, and stack-aggregation-commit with max amount and auth ID

[blockstack-devops]

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