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/component_diff_check.yml

@@ -17,7 +17,7 @@ jobs:
     name: Check
     steps:
       - name: Checkout current PR
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # we need the full history because the rake tasks reads git tags
 

.github/workflows/prepare_release.yml

@@ -13,7 +13,7 @@ jobs:
       version: ${{ steps.next_release.outputs.version }}
     steps:
       - name: Check out repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       version: ${{ steps.current_release.outputs.version }}
     steps:
       - name: Check out repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/runtime_tests.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout current PR
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install Ruby version 3.3