build(deps): bump actions/checkout from 5 to 6 (#659)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v6
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v6
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 🏄 Copy test env vars
         run: cp .env.example .env
@@ -109,7 +109,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 🐳 Set up Docker Buildx
         uses: docker/setup-buildx-action@v3