chore(deps): bump actions/checkout from 4 to 6 (#1186)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/functional-test.yml

@@ -35,7 +35,7 @@ jobs:
       PREBUILT_WDA_PATH: ${{ github.workspace }}/wda/WebDriverAgentRunner-Runner.app
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Install Node.js
       uses: actions/setup-node@v4
@@ -127,7 +127,7 @@ jobs:
       ARCH: x86
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - uses: actions/setup-java@v4
       with:
@@ -251,7 +251,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - uses: actions/setup-java@v4
       if: matrix.e2e-tests == 'flutter-android'

.github/workflows/lock-update.yml

@@ -15,7 +15,7 @@ jobs:
     if: github.actor == 'dependabot[bot]'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           ref: ${{ github.head_ref }}

.github/workflows/unit-test.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with: