Bootstrap during setup rather than manually install reqs

.github/workflows/changelog.yml

@@ -15,10 +15,10 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-      - name: Install dependencies
+      - name: Setup Environment
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt -r requirements-dev.txt
+          ./script/bootstrap
       - name: Changelog Check
         run: |
           ./script/changelog check