Bump actions/checkout from 5 to 6 (#392)

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)

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

Author: dependabot[bot]

.github/workflows/clang-tidy-review.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - uses: ZedThree/clang-tidy-review@v0.21.0
       id: review

.github/workflows/docs.yml

@@ -39,7 +39,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libsnappy-dev libzzip-dev zlib1g-dev libboost-all-dev doxygen
       - name: checkout from git
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
         # re-use the cache from the linux build
       - name: ccache

.github/workflows/keyvi.yml

@@ -52,7 +52,7 @@ jobs:
           brew list -1 | grep python | while read formula; do brew unlink $formula; brew link --overwrite $formula; done
           brew install zlib snappy boost
       - name: checkout from git
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2.20

.github/workflows/pre-commit.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # requites to grab the history of the PR
           fetch-depth: 0

.github/workflows/python-cibuildwheel.yml

@@ -45,7 +45,7 @@ jobs:
             target: musl
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: ccache
         uses: hendrikmuhs/ccache-action@v1.2.20
         with:
@@ -136,7 +136,7 @@ jobs:
     name: sdist
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: install Linux deps
       run: |
         sudo apt-get update && \

.github/workflows/python-dockerimages-cibuildwheel.yml

@@ -21,7 +21,7 @@ jobs:
           base_image: [many, musl]
           os: [ubuntu-24.04, ubuntu-24.04-arm]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: docker/setup-buildx-action@v3
       - name: Log in to Docker Hub
         if: github.event_name == 'push'

.github/workflows/rust.yml

@@ -30,7 +30,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: swatinem/rust-cache@v2
         with:
           workspaces: |
@@ -53,7 +53,7 @@ jobs:
     env:
       CARGO_RESOLVER_INCOMPATIBLE_RUST_VERSIONS: allow
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: swatinem/rust-cache@v2
         with:
           workspaces: |
@@ -79,7 +79,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: swatinem/rust-cache@v2
         with:
           workspaces: |