fix: Quote pip install arguments to prevent shell interpretation

The unquoted .[dev], .[docs], and setuptools>=45 were being
interpreted by bash as glob patterns and output redirection
respectively, causing the CI pip install steps to fail.

Author: Danny-Dasilva

.github/workflows/main.yml

@@ -108,20 +108,20 @@ jobs:
         run: |
           test -d .venv || virtualenv -p $(which python) --copies --reset-app-data .venv
           . .venv/bin/activate
-          pip install setuptools>=45 wheel
-          pip install -e .[dev]
+          pip install "setuptools>=45" wheel
+          pip install -e ".[dev]"
 
       - name: Install editable (cache hit)
         if: steps.virtualenv-cache.outputs.cache-hit == 'true'
         run: |
           . .venv/bin/activate
-          pip install --no-deps -e .[dev]
+          pip install --no-deps -e ".[dev]"
 
       - name: Install docs dependencies
         if: matrix.task.name == 'Docs'
         run: |
           . .venv/bin/activate
-          pip install -e .[docs]
+          pip install -e ".[docs]"
 
       - name: Show environment info
         run: |