Bump actions/checkout from 5 to 6 (#858)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  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>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
     - name:  Checkout Code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 

.github/workflows/codeql.yml

@@ -57,7 +57,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 

.github/workflows/deploy-sandbox.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name:  Checkout Code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -83,7 +83,7 @@ jobs:
 
     steps:     
     - name: Checkout Code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 

.github/workflows/deploy.yml

@@ -59,7 +59,7 @@ jobs:
 
     steps:
     - name:  Checkout Code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -126,7 +126,7 @@ jobs:
 
     steps:     
     - name: Checkout Code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -266,7 +266,7 @@ jobs:
     needs: [sam-deploy]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Execute Tests
         uses: ./.github/actions/test

.github/workflows/tests.yml

@@ -25,7 +25,7 @@ jobs:
     environment: "${{ matrix.region }}-tests"
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Execute Tests
         uses: ./.github/actions/test