ci: Use shell: bash when running multiple commands

cookiecutter-django/{{cookiecutter.project_slug}}/.github/workflows/ci.yml

@@ -19,6 +19,7 @@ jobs:
         env:
           PYTHONWARNINGS: error
           DATABASE_URL: postgresql://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres
+        shell: bash
         run: |
           ./manage.py migrate
           ./manage.py makemigrations --check --dry-run

cookiecutter-django/{{cookiecutter.project_slug}}/.github/workflows/i18n.yml

@@ -20,6 +20,7 @@ jobs:
       - run: pip install -r requirements.txt
       - run: python manage.py makemessages -a
       - name: Count incomplete translations
+        shell: bash
         run: |
           output=$(find . -name LC_MESSAGES -not -path "*/en_US/*" -exec pocount --incomplete --short "{}" +)
           echo $output

docs/python/ci.rst

@@ -208,6 +208,7 @@ If the package has optional support for `orjson <https://pypi.org/project/orjson
          # "orjson does not support PyPy" and fails to install. https://pypi.org/project/orjson/
          - if: matrix.python-version != 'pypy-3.7'
            name: Test
+           shell: bash
            run: |
              coverage run --append --source=PACKAGENAME -m pytest
              pip install orjson

docs/python/samples/i18n/babel.yml

@@ -21,6 +21,7 @@ jobs:
           pybabel extract -F babel.cfg -o locale/sphinx.pot -k '_ l_ lazy_gettext' .
           pybabel update -i locale/sphinx.pot -d locale -D sphinx
       - name: Count incomplete translations
+        shell: bash
         run: |
           output=$(find . -name LC_MESSAGES -exec pocount --incomplete --short "{}" +)
           echo $output