Rename dev to lint requirements

Author: davidesarra

.github/workflows/lint.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v2
     - name: Install dev dependencies
-      run: pip install -r requirements/dev_requirements.txt
+      run: pip install -r requirements/lint.txt
     - name: Check order of Python imports
       run: isort --check-only --diff --quiet .
     - name: Check formatting of Python files

requirements/dev_requirements.txt requirements/lint.txtrequirements/dev_requirements.txt renamed to requirements/lint.txt

@@ -1,3 +1,2 @@
 black==19.10b0
 isort==5.6.4
-