Bump trio from 0.21.0 to 0.22.0 (#2562)

* Bump trio from 0.21.0 to 0.22.0

Bumps [trio](https://github.com/python-trio/trio) from 0.21.0 to 0.22.0.
- [Release notes](https://github.com/python-trio/trio/releases)
- [Commits](https://github.com/python-trio/trio/compare/v0.21.0...v0.22.0)

---
updated-dependencies:
- dependency-name: trio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Ignore MultiError deprecation warning, it will disappear with anyio 4

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: florimondmanca <florimond.manca@protonmail.com>

requirements.txt

@@ -32,7 +32,7 @@ isort==5.12.0; python_version>='3.8'
 mypy==0.982
 types-certifi==2021.10.8.2
 pytest==7.2.0
-trio==0.21.0
+trio==0.22.0
 trio-typing==0.7.0
 trustme==0.9.0
 uvicorn==0.20.0

setup.cfg

@@ -19,6 +19,8 @@ addopts = -rxXs
 filterwarnings =
   error
   ignore: You seem to already have a custom sys.excepthook handler installed. I'll skip installing Trio's custom handler, but this means MultiErrors will not show full tracebacks.:RuntimeWarning
+  # See: https://github.com/agronholm/anyio/issues/508
+  ignore: trio\.MultiError is deprecated since Trio 0\.22\.0:trio.TrioDeprecationWarning
 markers =
   copied_from(source, changes=None): mark test as copied from somewhere else, along with a description of changes made to accodomate e.g. our test setup
   network: marks tests which require network connection. Used in 3rd-party build environments that have network disabled.