Add address field (rpc client & server)

[lindlof]

Bitcoin Core has added address field and removed addresses and reqSigs rpc response fields. The fields were deprecated on version 22 and they've been removed from version 23. For instance, the following methods are affected:

• https://bitcoincore.org/en/doc/22.0.0/rpc/rawtransactions/getrawtransaction/
• https://bitcoincore.org/en/doc/22.0.0/rpc/rawtransactions/decoderawtransaction/
• https://bitcoincore.org/en/doc/22.0.0/rpc/blockchain/gettxout/

This PR adds the new address and deprecates the removed fields.

Closes #1874

[coveralls]

Pull Request Test Coverage Report for Build 5193275574

• 0 of 15 (0.0%) changed or added relevant lines in 1 file are covered.
• 10 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.02%) to 55.252%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
rpcserver.go	0	15	0.0%
<!--	Total:	0	15	0.0%	-->

Files with Coverage Reduction	New Missed Lines	%
rpcserver.go	3	0.26%
peer/peer.go	7	73.2%
<!--	Total:	10		-->

Totals
Change from base Build 5075515644:	-0.02%
Covered Lines:	26665
Relevant Lines:	48261

---

💛 - Coveralls

[bog-h]

PR looks fine! I wanted to open a similar PR because we now receive the address field from the node and don't have it in the result.

[lindlof]

Okay @guggero I've left the deprecated fields in. The commit to remove them exists in https://github.com/lindlof/btcd/commit/faae23164d635ea6145f2108a96d4673e2811fc3

[ygaberman-px]

@guggero @bog-h is there anything preventing from merging this in? This would be really helpful for me

[guggero]

I guess another review from someone who has more experience with the code base than myself would be great. Any volunteers, @Roasbeef, @kcalvinalvin, @chappjc?

[kcalvinalvin]

ACK fcf291947d51896664e848526482983a5cbb72db26fa1d78649c3d051cf602fc

Also tested by calling getrawtransaction, decoderawtransaction, and gettxout to a Bitcoin Core node. Works well.