Pyramid-openapi3

-------------------

* Cleanup and modernization of dev env, added support for Python 3.10 and 3.11.
[zupo]

-----------------

* Upgrade Swagger UI to latest version to get security fixes missing in
the old release.
[am-on]

-----------------

* Add support for Pyramid 2.0 refs 133, 142.
[lkuchenb, zupo]

-----------------

* Basic support for multipart requests, refs 122.
[Wim-De-Clercq]

* Automatic route registration via `x-pyramid-route-name` extension, refs 46.
[gjo]

* Support for Python 3.9, refs 115.
[stevepiercy, zupo]

* Cleanup old relative OpenAPI server URL workaround. Drop support for
`openapi-core 0.13.1`, refs 127, 129, 131.
[sevanteri, zupo]

* Fix `KeyError` when having multiple routes for a single path, refs 118.
[damonhook]

-----------------

* Allow setting permission for explorer and spec view.
[sweh]

* Allow multiple OpenApis in one pyramid application.
[sweh]

* Fix for route validation when used with pyramid route_prefix_context.
[damonhook]

------------------

* Support for endpoint validation of prefixed routes.
[zupo]