Bump actions/checkout from 3 to 4 (#1801)

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](https://github.com/actions/checkout/compare/v3...v4)

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

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

.github/workflows/cmake.yml

@@ -24,7 +24,7 @@ jobs:
         link: ["STATIC", "SHARED"]
     steps:
       - name: Checkout Drogon source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
@@ -69,7 +69,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout Drogon source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
@@ -126,7 +126,7 @@ jobs:
             link: STATIC
     steps:
       - name: Checkout Drogon source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0

.github/workflows/codeql.yml

@@ -40,7 +40,7 @@ jobs:
 
     steps:
     - name: Checkout Drogon source code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: true
         fetch-depth: 0

.github/workflows/cpp.yml

@@ -12,7 +12,7 @@ jobs:
   format:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install dos2unix
         run: sudo apt-get install -y dos2unix