chore(deps): 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/Build-Test-And-Deploy.yml

@@ -15,7 +15,7 @@ jobs:
     environment: "BuildAndUploadImage"
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up .NET Core
         uses: actions/setup-dotnet@v5

.github/workflows/Build-Vector-DB.yml

@@ -10,7 +10,7 @@ jobs:
     build:
         runs-on: ubuntu-latest
         steps:
-        - uses: actions/checkout@v5
+        - uses: actions/checkout@v6
         - name: Set up Python 3.8
           uses: actions/setup-python@v6
           with:

.github/workflows/CleanupCaches.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Cleanup
         run: |

.github/workflows/PR-Build-And-Test.yml

@@ -9,7 +9,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up .NET Core
         uses: actions/setup-dotnet@v5

.github/workflows/UpdateSiteCertificate.yml

@@ -22,7 +22,7 @@ jobs:
           tenant-id: ${{ secrets.AZURE_TENANT_ID }}
           subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: "EssentialCSharp/EssentialCSharp.Web.CertbotDnsGoDaddy"
           token: ${{ secrets.CERTBOTDNSGODADDY_PAT }}

.github/workflows/codeql.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
@@ -74,7 +74,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/copilot-setup-steps.yml

@@ -18,7 +18,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up .NET Core
         uses: actions/setup-dotnet@v5