build(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/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)

Signed-off-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Co-authored-by: dscho <127790+dscho@users.noreply.github.com>

Author: Copilot

.github/workflows/check-style.yml

@@ -20,7 +20,7 @@ jobs:
       jobname: ClangFormat
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
 

.github/workflows/check-whitespace.yml

@@ -19,7 +19,7 @@ jobs:
   check-whitespace:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
 

.github/workflows/coverity.yml

@@ -38,7 +38,7 @@ jobs:
       COVERITY_LANGUAGE: cxx
       COVERITY_PLATFORM: overridden-below
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: install minimal Git for Windows SDK
         if: contains(matrix.os, 'windows')
         uses: git-for-windows/setup-git-for-windows-sdk@v1

.github/workflows/main.yml

@@ -112,7 +112,7 @@ jobs:
       group: windows-build-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: git-for-windows/setup-git-for-windows-sdk@v1
     - name: build
       shell: bash
@@ -176,10 +176,10 @@ jobs:
       group: vs-build-${{ github.ref }}-${{ matrix.arch }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: git-for-windows/setup-git-for-windows-sdk@v1
     - name: initialize vcpkg
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         repository: 'microsoft/vcpkg'
         path: 'compat/vcbuild/vcpkg'
@@ -261,7 +261,7 @@ jobs:
       group: windows-meson-build-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
     - name: Set up dependencies
       shell: pwsh
@@ -289,7 +289,7 @@ jobs:
       group: windows-meson-test-${{ matrix.nr }}-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
     - name: Set up dependencies
       shell: pwsh
@@ -344,7 +344,7 @@ jobs:
       TEST_OUTPUT_DIRECTORY: ${{github.workspace}}/t
     runs-on: ${{matrix.vector.pool}}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ci/install-dependencies.sh
     - run: ci/run-build-and-tests.sh
     - name: print test failures
@@ -365,7 +365,7 @@ jobs:
       CI_JOB_IMAGE: ubuntu-latest
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ci/install-dependencies.sh
     - run: ci/run-build-and-minimal-fuzzers.sh
   dockerized:
@@ -444,7 +444,7 @@ jobs:
         else
           apt-get -q update && apt-get -q -y install git
         fi
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ci/install-dependencies.sh
     - run: useradd builder --create-home
     - run: chown -R builder .
@@ -469,7 +469,7 @@ jobs:
       group: static-analysis-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ci/install-dependencies.sh
     - run: ci/run-static-analysis.sh
     - run: ci/check-directional-formatting.bash
@@ -485,7 +485,7 @@ jobs:
       group: rust-analysis-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ci/install-dependencies.sh
     - run: ci/run-rust-checks.sh
   sparse:
@@ -499,7 +499,7 @@ jobs:
       group: sparse-${{ github.ref }}
       cancel-in-progress: ${{ needs.ci-config.outputs.skip_concurrent == 'yes' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Install other dependencies
       run: ci/install-dependencies.sh
     - run: make sparse
@@ -515,6 +515,6 @@ jobs:
       CI_JOB_IMAGE: ubuntu-latest
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - run: ci/install-dependencies.sh
     - run: ci/test-documentation.sh

.github/workflows/nano-server.yml

@@ -14,7 +14,7 @@ jobs:
       IMAGE: mcr.microsoft.com/powershell:nanoserver-ltsc2022
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: git-for-windows/setup-git-for-windows-sdk@v1
       - name: build Git
         shell: bash