Use dependency groups with pip 25.1 (#13512)

Author: AA-Turner

.github/workflows/main.yml

@@ -103,7 +103,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install .[test]
+        python -m pip install . --group test
     - name: Install Docutils ${{ matrix.docutils }}
       run: python -m pip install --upgrade "docutils~=${{ matrix.docutils }}.0"
     - name: Test with pytest
@@ -137,7 +137,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install .[test]
+        python -m pip install . --group test
     - name: Test with pytest
       run: python -m pytest -n logical --dist=worksteal -vv --durations 25
       env:
@@ -169,7 +169,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install .[test]
+        python -m pip install . --group test
     - name: Test with pytest
       run: python -m pytest -n logical --dist=worksteal -vv --durations 25
       env: