Auto merge of #34591 - brson:relnotes, r=alexcrichton
Auto merge of #34591 - brson:relnotes, r=alexcrichton

Release notes for 1.10.0

[Rundered](https://github.com/brson/rust/tree/relnotes/RELEASES.md).

To me highlights look like panic hooks, unix sockets, cargo, and usability improvements.

f? @rust-lang/core @rust-lang/lang @rust-lang/compiler @rust-lang/tools @bstrie

GBGamer/rust,graydon/rust,GBGamer/rust,graydon/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,aidancully/rust