chore(ci)(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] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci-native.yml

@@ -28,7 +28,7 @@ jobs:
       rust-targets: ${{ steps.targets.outputs.targets }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           clean: false
           fetch-depth: 0
@@ -88,7 +88,7 @@ jobs:
           find . -name "*.lock" -type f -delete 2>/dev/null || true
           
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           clean: false
 

.github/workflows/ci-optimized.yml

@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -78,7 +78,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -120,7 +120,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v4
@@ -168,7 +168,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download frontend artifacts
         uses: actions/download-artifact@v4
@@ -241,7 +241,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v4

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: earthly/actions-setup@v1
         with:
           version: v0.8.3
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Docker Login
         run: docker login --username "$DOCKERHUB_USERNAME" --password "$DOCKERHUB_TOKEN"
       - name: Run build

.github/workflows/claude-code-review.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 

.github/workflows/claude.yml

@@ -26,7 +26,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 

.github/workflows/deploy-docs-old.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: [self-hosted, linux, x64]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Clone md-book fork
         run: |
@@ -75,7 +75,7 @@ jobs:
       url: ${{ steps.deploy.outputs.deployment-url }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Download build artifact
         uses: actions/download-artifact@v4
@@ -135,7 +135,7 @@ jobs:
       url: https://docs.terraphim.ai
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Download build artifact
         uses: actions/download-artifact@v4

.github/workflows/deploy-docs.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: [self-hosted, linux, x64]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Clone md-book fork
         run: |
@@ -83,7 +83,7 @@ jobs:
       url: ${{ steps.deploy.outputs.deployment-url }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Download build artifact
         uses: actions/download-artifact@v4
@@ -143,7 +143,7 @@ jobs:
       url: https://docs.terraphim.ai
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Download build artifact
         uses: actions/download-artifact@v4

.github/workflows/docker-multiarch.yml

@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3

.github/workflows/earthly-runner.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Earthly
         run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'
@@ -70,7 +70,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Earthly
         run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'
@@ -92,7 +92,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Earthly
         run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'
@@ -116,7 +116,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Earthly
         run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'
@@ -138,7 +138,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Download Earthly
         run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'

.github/workflows/frontend-build.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v5