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/clang-analyzer.yml

@@ -44,10 +44,10 @@ jobs:
 
     steps:
     - name: Checkout router repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Checkout Proton repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: apache/qpid-proton
         ref: main

.github/workflows/codeql.yml

@@ -47,10 +47,10 @@ jobs:
 
     steps:
     - name: Checkout router repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Checkout Proton repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: apache/qpid-proton
         ref: main

.github/workflows/gcc-fanalyzer.yml

@@ -57,10 +57,10 @@ jobs:
         wget tar patch findutils git
 
     - name: Checkout router repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Checkout Proton repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: apache/qpid-proton
         ref: main