Bump actions/checkout from 2 to 4 (#15)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/pull.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: "ubuntu-latest"
     name: Validate
     steps:
-        - uses: "actions/checkout@v2"
+        - uses: "actions/checkout@v4"
 
         - name: HACS validation
           uses: "hacs/action@main"
@@ -23,7 +23,7 @@ jobs:
     runs-on: "ubuntu-latest"
     name: Check style formatting
     steps:
-        - uses: "actions/checkout@v2"
+        - uses: "actions/checkout@v4"
         - uses: "actions/setup-python@v1"
           with:
             python-version: "3.x"
@@ -35,7 +35,7 @@ jobs:
     name: Run tests
     steps:
       - name: Check out code from GitHub
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: Setup Python
         uses: "actions/setup-python@v1"
         with:

.github/workflows/push.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: "ubuntu-latest"
     name: Validate
     steps:
-        - uses: "actions/checkout@v2"
+        - uses: "actions/checkout@v4"
 
         - name: HACS validation
           uses: "hacs/action@main"
@@ -26,7 +26,7 @@ jobs:
     runs-on: "ubuntu-latest"
     name: Check style formatting
     steps:
-        - uses: "actions/checkout@v2"
+        - uses: "actions/checkout@v4"
         - uses: "actions/setup-python@v1"
           with:
             python-version: "3.x"
@@ -38,7 +38,7 @@ jobs:
     name: Run tests
     steps:
       - name: Check out code from GitHub
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
       - name: Setup Python
         uses: "actions/setup-python@v1"
         with: