remove support for python 3.6, add support for 3.10

Author: emkor

.github/workflows/main.yml

@@ -6,10 +6,10 @@ jobs:
 
   test:
     name: Test with Python ${{ matrix.python-version }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [ 3.6, 3.7, 3.8, 3.9 ]
+        python-version: [ 3.7, 3.8, 3.9, 3.10 ]
     steps:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
@@ -30,12 +30,12 @@ jobs:
     name: Publish the package
     needs: test
     if: ${{ github.ref == 'refs/heads/master' }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: 3.10
       - name: Checkout code
         uses: actions/checkout@v2
       - name: Install poetry

pyproject.toml

@@ -29,4 +29,4 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.black]
 line-length = 120
-target-version = ['py36', 'py37', 'py38', 'py39']
+target-version = ['py37', 'py38', 'py39', 'py310']