chore(deps): bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 🚀 Release
         id: rp
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 🐦 Setup Flutter SDK
         id: fl-setup
@@ -89,7 +89,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 📦 Restore Dependencies
         uses: subosito/flutter-action@v2
@@ -139,7 +139,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 📦 Restore Dependencies
         uses: subosito/flutter-action@v2

.github/workflows/ci-pr.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 🐦 Setup Flutter SDK
         id: fl-setup
@@ -58,7 +58,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 🐦 Setup Flutter SDK
         id: fl-setup
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: 📚 Code Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: 📦 Restore Dependencies
         uses: subosito/flutter-action@v2