Bump actions/checkout from 5 to 6

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]>

Author: dependabot[bot]

.github/workflows/code-scanning-pack-gen.yml

@@ -28,7 +28,7 @@ jobs:
       matrix: ${{ steps.export-code-scanning-pack-matrix.outputs.matrix }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Export Code Scanning pack matrix
         id: export-code-scanning-pack-matrix
         run: |
@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix: ${{ fromJSON(needs.prepare-code-scanning-pack-matrix.outputs.matrix) }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Cache CodeQL
         id: cache-codeql
@@ -84,7 +84,7 @@ jobs:
         id: checkout-external-help-files
         # PRs from forks and dependabot do not have access to an appropriate token for cloning the help files repos
         if: ${{ !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ssh-key: ${{ secrets.CODEQL_CODING_STANDARDS_HELP_KEY }}
           repository: "github/codeql-coding-standards-help"

.github/workflows/codeql_unit_tests.yml

@@ -25,7 +25,7 @@ jobs:
       matrix: ${{ steps.export-unit-test-matrix.outputs.matrix }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Export unit test matrix
         id: export-unit-test-matrix
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Python
         uses: actions/setup-python@v5

.github/workflows/dispatch-matrix-test-on-comment.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check permission
         id: check-write-permission

.github/workflows/dispatch-release-performance-check.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check permission
         id: check-write-permission

.github/workflows/extra-rule-validation.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check Rules 
         shell: pwsh
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Ensure CPP Shared Rules Have Valid Structure  
         shell: pwsh

.github/workflows/finalize-release.yml

@@ -44,14 +44,14 @@ jobs:
           fi
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.REF }}
           fetch-depth: 0
           path: release 
 
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ env.TOOL_REF }}
           path: tooling 

.github/workflows/generate-html-docs.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Python
         uses: actions/setup-python@v5

.github/workflows/prepare-release.yml

@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ inputs.ref }}
 

.github/workflows/standard_library_upgrade_tests.yml

@@ -21,7 +21,7 @@ jobs:
       matrix: ${{ steps.export-unit-test-matrix.outputs.matrix }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Export unit test matrix
         id: export-unit-test-matrix
@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Python 3
         uses: actions/setup-python@v5

.github/workflows/tooling-unit-tests.yml

@@ -24,7 +24,7 @@ jobs:
       matrix: ${{ steps.export-supported-codeql-env-matrix.outputs.matrix }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Export supported CodeQL environment matrix
         id: export-supported-codeql-env-matrix
@@ -42,7 +42,7 @@ jobs:
       matrix: ${{ fromJSON(needs.prepare-supported-codeql-env-matrix.outputs.matrix) }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Python
         uses: actions/setup-python@v5
@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Python
         uses: actions/setup-python@v5
@@ -104,7 +104,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Python
         uses: actions/setup-python@v5