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)

---
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/codestyle.yml

@@ -17,7 +17,7 @@ jobs:
     name: TS Prettier
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up node.js
       uses: actions/setup-node@v6
       with:

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: sudo apt-get install -y make
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up node.js
         uses: actions/setup-node@v6
         with:
@@ -61,7 +61,7 @@ jobs:
       - name: Extract version from tag
         id: extract_version
         run: echo version=${GITHUB_REF/refs\/tags\/v/} >> $GITHUB_OUTPUT
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: docker/build-push-action@v6
         id: build
         with:

.github/workflows/typescript.yml

@@ -12,7 +12,7 @@ jobs:
     name: "TSC"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up node.js
         uses: actions/setup-node@v6
         with: