fix: missing -r to install from requirements file

.github/workflows/linter.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Install project requirements
         run: |
           python -m pip install -U pip setuptools wheel
-          python -m pip install -U requirements/development.txt
+          python -m pip install -U -r requirements/development.txt
 
       - name: Lint with flake8
         run: |