Repo File Sync: Update actions/checkout to v5 (#343)

synced local file(s) with
[microsoft/mu_devops](https://github.com/microsoft/mu_devops).

🤖: View the [Repo File Sync Configuration
File](https://github.com/microsoft/mu_devops/blob/main/.sync/Files.yml)
to see how files are synced.

---

This PR was created automatically by the
[repo-file-sync-action](https://github.com/BetaHuhn/repo-file-sync-action)
workflow run
[#17036240934](https://github.com/microsoft/mu_devops/actions/runs/17036240934)

Signed-off-by: Project Mu UEFI Bot <uefibot@microsoft.com>
Co-authored-by: mu-automation[bot] <204385837+mu-automation[bot]@users.noreply.github.com>

Author: mu-automation[bot]

.github/workflows/backport-to-release-branch.yml

@@ -49,7 +49,7 @@ jobs:
         private-key: ${{ secrets.MU_ACCESS_APP_PRIVATE_KEY }}
 
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
         token: ${{ steps.app-token.outputs.token }}

.github/workflows/codeql.yml

@@ -50,7 +50,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
 
 
@@ -99,7 +99,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5