ci(tools): update actions/checkout action to v5 (#38)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/flake.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Checkout source
         id: source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.BOT_ACCESS_TOKEN }}
 

.github/workflows/general.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - name: Checkout source
         id: source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup ruby
         id: ruby