ci: Install numpy-style optional group

Author: pawamoy

.copier-answers.yml

@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier
-_commit: 0.4.0
+_commit: 0.4.1
 _src_path: gh:pawamoy/copier-pdm
 author_email: pawamoy@pm.me
 author_fullname: "Timoth\xE9e Mazzucotelli"

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
 
     - name: Install dependencies
       run: |
-        pdm install -s duty -s docs -s quality -s typing
+        pdm install -G duty -G docs -G quality -G typing -G numpy-style
         pip install safety
 
     - name: Check if the documentation builds correctly
@@ -99,7 +99,7 @@ jobs:
         key: tests-cache-${{ runner.os }}-${{ matrix.python-version }}
 
     - name: Install dependencies
-      run: pdm install -s duty -s tests
+      run: pdm install -G duty -G tests -G numpy-style
 
     - name: Run the test suite
       run: pdm run duty test