Bump actions/checkout from 5 to 6 in the github-actions group

Bumps the github-actions 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: github-actions
...

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

Author: dependabot[bot]

.github/workflows/aarch64_linux_bazel.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build
         run: make --directory=bazel/ci arm64_build
       - name: Test

.github/workflows/aarch64_linux_cmake.yml

@@ -21,7 +21,7 @@ jobs:
     env:
       TARGET: ${{ matrix.targets[0] }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: make --directory=cmake/ci ${TARGET}_build
     - name: Test

.github/workflows/aarch64_linux_zig.yml

@@ -11,7 +11,7 @@ jobs:
           - aarch64-linux-gnu
     runs-on: ubuntu-24.04-arm
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest

.github/workflows/amd64_linux_bazel.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Check docker

.github/workflows/amd64_linux_cmake.yml

@@ -12,7 +12,7 @@ jobs:
   make:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Env
       run: make --directory=cmake/ci amd64_env
     - name: Devel

.github/workflows/amd64_linux_zig.yml

@@ -11,7 +11,7 @@ jobs:
           - x86_64-linux-gnu
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest

.github/workflows/amd64_macos_bazel.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: macos-15-intel  # Using x86 processors
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Bazel
         run: |
           brew update

.github/workflows/amd64_macos_cmake.yml

@@ -15,7 +15,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check cmake
       run: cmake --version
     - name: Configure
@@ -31,7 +31,7 @@ jobs:
     env:
       CTEST_OUTPUT_ON_FAILURE: 1
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check cmake
       run: cmake --version
     - name: Configure

.github/workflows/amd64_macos_zig.yml

@@ -10,7 +10,7 @@ jobs:
           - x86_64-macos-none
     runs-on: macos-15-intel  # Using x86 processors
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
           version: latest

.github/workflows/amd64_windows_bazel.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Bazel
         run: |
           choco install bazel