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/codeql-analysis.yml

@@ -24,7 +24,7 @@ jobs:
 
  steps:
  - name: Checkout repository
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Initialize CodeQL
  uses: github/codeql-action/init@v2

.github/workflows/homey-validation.yml

@@ -6,5 +6,5 @@ jobs:
  publish-validation:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v3
+ - uses: actions/checkout@v4
  - uses: aivus/homey-validate-action@v1

.github/workflows/nodejs.yml

@@ -12,7 +12,7 @@ jobs:
  node-version: [12.16.1]
 
  steps:
- - uses: actions/checkout@v3
+ - uses: actions/checkout@v4
  - name: Use Node.js ${{ matrix.node-version }}
  uses: actions/setup-node@v3
  with: