chore(deps): bump actions/checkout from 4.0.0 to 4.1.0 (#57)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.0.0 to 4.1.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.0.0...v4.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/backup.yaml

@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: 📚 Git checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
 

.github/workflows/dart_package_workflow.yaml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: 📚 Git checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
 
       - name: 🎯 Setup Dart
         uses: dart-lang/[email protected]

.github/workflows/deploy_example_web.yaml

@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 10
     steps:
     - name: 📚 Git checkout
-      uses: actions/checkout@v4.0.0
+      uses: actions/checkout@v4.1.0
 
     - name: 🐦 Setup Flutter
       uses: subosito/[email protected]

.github/workflows/flutter_package_workflow.yaml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: 📚 Git checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
 
       - name: 🐦 Setup Flutter
         uses: subosito/[email protected]

.github/workflows/links_and_spell_check.yaml

@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: 📚 Git checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
 
       - name: 🔗 Link checker
         uses: lycheeverse/[email protected]

.github/workflows/publish_to_pub.yaml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: 📚 Git checkout
-        uses: actions/checkout@v4.0.0
+        uses: actions/checkout@v4.1.0
 
       - name: 1️⃣ Set version tag
         run: |