Enable Python 3.10 for tests (#719)

* Try to test on Python 3.10

* Prevent to YAML type cast

* Bump poetry

* Removed async_lru

* Disable fail-fast on tests

* Fixed typing

* Added patch-notes

.github/workflows/tests.yml

@@ -11,6 +11,7 @@ on:
 jobs:
   build:
     strategy:
+      fail-fast: false
       max-parallel: 9
       matrix:
         os:
@@ -18,8 +19,9 @@ jobs:
           - macos-latest
           - windows-latest
         python-version:
-          - 3.8
-          - 3.9
+          - '3.8'
+          - '3.9'
+          - '3.10'
 
     defaults:
       # Windows is sucks. Force use bash instead of PowerShell
@@ -39,7 +41,7 @@ jobs:
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1
         with:
-          version: 1.1.8
+          version: 1.1.11
           virtualenvs-create: true
           virtualenvs-in-project: true
           installer-parallel: true