Bump actions/checkout from 2.3.5 to 2.4.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.5 to 2.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.5...v2.4.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-python@v2.2.2
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - uses: actions/cache@v2.1.6
         with:
           path: ~/.cache/pip
@@ -37,7 +37,7 @@ jobs:
       - run: sudo apt install -y gettext
       - uses: actions/setup-python@v2.2.2
       - uses: actions/setup-node@v2.4.1
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: Install Python dependencies
         run: python -m pip install --upgrade pip setuptools wheel twine readme-renderer
       - run: python setup.py sdist bdist_wheel
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-python@v2
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - run: python -m pip install --upgrade pip setuptools wheel
       - run: python -m pip install -r requirements.txt
       - run: python setup.py develop
@@ -71,7 +71,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: python -m pip install --upgrade pip setuptools wheel
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - run: python setup.py test
       - name: Codecov
         run: |
@@ -92,7 +92,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: python -m pip install --upgrade pip setuptools wheel
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - run: python -m pip install -e ".[${{ matrix.extras }}]"
       - run: python setup.py test
       - name: Codecov
@@ -126,7 +126,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: python -m pip install --upgrade pip setuptools wheel
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - run: python -m pip install psycopg2-binary Django~=${{ matrix.django-version }}
       - run: python setup.py test
         env:

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
     - uses: actions/setup-python@v2
     - name: Install Python dependencies
       run: python -m pip install --upgrade pip setuptools wheel twine