Bump actions/checkout from 5.0.0 to 6.0.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v5...v6.0.1)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/codeql.yml

@@ -55,7 +55,7 @@ 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@v6.0.1
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/deploy-theme.yaml

@@ -17,7 +17,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
         name: Checkout Repository
 
       - name: Deploy Ghost Theme to website