More CI fixes (#208)

* Remove bandit from CI, update poetry.lock&pre-commit-config.yaml

* We don't support python 3.6

* poetry install also on tests flow

* remove pytest-azurepipelines

.github/workflows/ci.yml

@@ -53,10 +53,6 @@ jobs:
       - name: "Run check-ast"
         run: |
           poetry run pre-commit run check-ast --all-files
-      - name: "Potential security issues (bandit)"
-        run: |
-          poetry run pre-commit run bandit --all-files
-
 
   tests:
     name: "Python ${{ matrix.python-version}} on ${{ matrix.os }}"
@@ -65,7 +61,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "pypy3"]
+        python-version: ["3.7", "3.8", "3.9", "pypy3"]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
@@ -76,6 +72,7 @@ jobs:
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip poetry
+          poetry install
       - name: "Run tests"
         run: |
           poetry run pytest --cov kasa --cov-report xml