Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/release-debian.yml

@@ -23,7 +23,7 @@ jobs:
           apt-get -y upgrade
           apt-get -y install devscripts dpkg-dev debhelper equivs
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Bump version
         run: |
           export DEBEMAIL='[email protected]'

.github/workflows/release-docker.yml

@@ -13,7 +13,7 @@ jobs:
       name: "release"
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up qemu
         uses: docker/setup-qemu-action@v2
         with:

.github/workflows/release-python.yml

@@ -16,7 +16,7 @@ jobs:
       name: "release"
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up python-${{ env.RELEASE_PY_VER }}
         uses: actions/setup-python@v4
         with:

.github/workflows/tests-codecheck.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up python-${{ env.CODECHECK_PY_VER }}
         uses: actions/setup-python@v4
         with:
@@ -31,7 +31,7 @@ jobs:
         python-version: [3.8, 3.9, '3.10']
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up python-${{ env.CODECHECK_PY_VER }}
         uses: actions/setup-python@v4
         with:

.github/workflows/tests-integration.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Integration tests
         run: |
           time docker run -t --rm --privileged --cap-add NET_ADMIN -e CHEWIE_ROOT="/chewie-src/" \

.github/workflows/tests-unit.yml

@@ -14,7 +14,7 @@ jobs:
         python-version: [3.8, 3.9, '3.10', 3.11]
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up python-${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:

.github/workflows/tests-yaml-lint.yml

@@ -4,7 +4,7 @@ jobs:
   yamllint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: yaml-lint
       uses: ibiqlik/action-yamllint@v3
       with: