build(deps): bump actions/checkout from 5 to 6 in the all group

Bumps the all group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `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
  dependency-group: all
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/compress-json-schemas.yml

@@ -20,7 +20,7 @@ jobs:
     name: 🖥️ Compress Schemas
     steps:
       - name: 📦 Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: ⌛ Get Time
         id: time

.github/workflows/pull-request.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 📦 Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 🏗️ Setup Node.js Environment
         uses: actions/setup-node@v6
@@ -48,7 +48,7 @@ jobs:
 
     steps:
       - name: 📦 Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: 🏗️ Setup Node.js Environment
         uses: actions/setup-node@v6