chore(release): esplora-client `v0.13.0`

[oleonardolima]

It's a tracking issue for issues and PRs that should land in the next v0.13.0 release of esplora-client.

As it's a major release, we should include all issues and PRs with breaking changes that we reach consensus on.

• feat(client)!: update broadcast API  #151
• chore(deps): bump MSRV to 1.75.0 #141
• ci(msrv)!: bump rust MSRV to 1.75.0 #154
• Add serde_json Error variant #161

Still needs discussion/consensus:

• Relicense to this crate to dual MIT OR Apache-2.0 #179
• Move CI and local testing to cargo-rbmt #178
• chore!: rename scripthash_txs to get_scripthash_txs #142
• Remove BlockSummary in favor of BlockInfo #146
• Vout is identical to PrevOut #148
• chore(api)!: use Amount for all amount fields #150
• feat(bitreq): use bitreq client as new HTTP client. #136
• refactor(client)!: use bitreq for both BlockingClient and AsyncClient #137
• Refactor API and clean up house #157

[luisschwab]

Need to add #161 to this list, and maybe bitreq as well.

Also,

As it's a minor release, we should include all issues and PRs with breaking changes that we reach consensus on.

it's a major release

[luisschwab]

Missing the bitreq issue