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] <support@github.com>

Author: dependabot[bot]

.github/workflows/aether-arena-harness.yml

@@ -32,7 +32,7 @@ jobs:
       run:
         working-directory: v2
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/bench-regression.yml

@@ -71,7 +71,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout (recursive — wifi-densepose-rufield path-deps vendor/rufield)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           # The workspace includes `wifi-densepose-rufield`, which path-deps the
           # `vendor/rufield` submodule crates. Without a recursive checkout the
@@ -150,7 +150,7 @@ jobs:
     needs: [bench-compile]
     steps:
       - name: Checkout (recursive)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/bfld-mqtt-integration.yml

@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/cd.yml

@@ -41,7 +41,7 @@ jobs:
       image_tag: ${{ steps.determine-tag.outputs.tag }}
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -87,7 +87,7 @@ jobs:
       url: https://staging.wifi-densepose.com
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -135,7 +135,7 @@ jobs:
       url: https://wifi-densepose.com
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
     steps:
     - name: Checkout code
       continue-on-error: true
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
         fetch-depth: 0
@@ -82,7 +82,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
       # ADR-262 P1: `wifi-densepose-rufield` path-deps the `vendor/rufield`
@@ -209,7 +209,7 @@ jobs:
     steps:
     - name: Checkout code
       continue-on-error: true
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -276,7 +276,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -346,7 +346,7 @@ jobs:
     steps:
     - name: Checkout code
       continue-on-error: true
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 
@@ -420,7 +420,7 @@ jobs:
       contents: write   # gh-pages deploy needs write (GITHUB_TOKEN is read-only by default -> 403)
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         submodules: recursive
 

.github/workflows/clone-tracking.yml

@@ -34,7 +34,7 @@ jobs:
   snapshot:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/cog-ha-matter-release.yml

@@ -27,7 +27,7 @@ jobs:
     name: Build x86_64
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -79,7 +79,7 @@ jobs:
     name: Build aarch64 (arm)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -148,7 +148,7 @@ jobs:
       github.event_name == 'push' &&
       vars.HAS_GCP_CREDENTIALS == 'true'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/dashboard-a11y.yml

@@ -19,7 +19,7 @@ jobs:
   a11y:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/dashboard-pages.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout main
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 

.github/workflows/desktop-release.yml

@@ -27,7 +27,7 @@ jobs:
         target: [aarch64-apple-darwin, x86_64-apple-darwin]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -84,7 +84,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
@@ -134,7 +134,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive