Bump actions/checkout from 5 to 6 (#501)

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/cicd.yml

@@ -58,7 +58,7 @@ jobs:
             storage.googleapis.com:443
 
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -110,7 +110,7 @@ jobs:
             storage.googleapis.com:443
 
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -169,7 +169,7 @@ jobs:
             storage.googleapis.com:443
 
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build Docker image
         run: docker build --tag "ranger-ims-go:${{ github.sha }}" .
@@ -211,7 +211,7 @@ jobs:
             storage.googleapis.com:443
 
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Docker image artifacts
         uses: actions/download-artifact@v6

.github/workflows/codeql.yml

@@ -39,7 +39,7 @@ jobs:
     steps:
 
       - name: Checkout source code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4