akka/akka-http v10.5.0-M1 on GitHub

This milestone release adds native support for Scala 3 to Akka HTTP

What's Changed

Allow to compile akka-http module with Scala 3 by @jchyb in #4091
scala3: compile akka-http-core and pass all its tests by @hughsimpson in #4097
Scala 3: try to make PR validation work (as well as possible right now) by @jrudolph in #4100
Enable Scala 3 for testkit + caching by @jrudolph in #4101
docs: use correct 'skip-packages' scalac option on Scala 3 by @raboof in #4109
http2: enable Scala 3 for akka-http2-support by @raboof in #4108
http-tests: allow to compile with Scala 3 with 3.0-migration option by @jchyb in #4107
Scala 3: Remove 3.0-migration compiler option from all modules by @jchyb in #4114
Scala 3: edit sources on-the-fly in sbt to support @pre213 methods in shared source code by @jrudolph in #4113
Scala 3: minimize changes by @jrudolph in #4119
=sbt Update Scala 3 version to 3.1.3 by @He-Pin in #4123
scala 3: compile and test marshalling, JMH and docs subprojects by @raboof in #4126
=core Fold InHandler and OutHandler to GraphStageLogic. by @He-Pin in #4158
Change how we keep release notes by @johanandren in #4183
Ongoing Scala 3 migration effort by @jrudolph in #4079
build: Add Scala 3.1 nightly build by @johanandren in #4185

Full Changelog: v10.4.0...v10.5.0-M1