v0.11.12

What's Changed

• Add ClientBuilder::resolve_to_addrs() which allows a slice of IP addresses to be specified for a single host.
• Add Response::upgrade() to await whether the server agrees to an HTTP upgrade.

New Contributors ❤️

• @futursolo made their first contribution in #1565
• @kckeiks made their first contribution in #1583
• @vidhanio made their first contribution in #1584
• @luqmana made their first contribution in #1376
• @lpraneis made their first contribution in #1622