fix(deps): update actions/checkout action to v7 (#376)

Author: renovate-bot

.github/workflows/codehealth.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Use Node.js
         uses: actions/setup-node@v6

.github/workflows/codeql.yml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL