chore(deps): update actions/checkout action to v5 (#310)

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

Author: renovate[bot]

.github/workflows/badges.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout 🛎
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Update version badges 🏷
         run: npm run update-badges

.github/workflows/ci.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout 🛎
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run tests 🧪
         # https://github.com/cypress-io/github-action

.github/workflows/render-charts.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Render images for every Mermaid diagram in all Markdown files (*.md) in the repo
         # https://github.com/bahmutov/cypress-data-session/issues/115