Bump actions/checkout from 4 to 6 (#11547)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...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>

.github/workflows/auto-close-duplicates.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2

.github/workflows/backfill-duplicate-comments.yml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2

.github/workflows/build_all.yml

@@ -84,7 +84,7 @@ jobs:
     if: ${{ !cancelled() && success() }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           sparse-checkout: |
             .github
@@ -145,7 +145,7 @@ jobs:
     - name: "Remove unneeded stuff to free disk space"
       run:
         rm -rf /usr/local/lib/android/* /usr/share/dotnet/* /opt/ghc1/* "/usr/local/share/boost1/*" /opt/hostedtoolcache1/*
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Get the version and date
       run: |
         ver_pure=$(grep 'set(SoftFever_VERSION' version.inc | cut -d '"' -f2)

.github/workflows/build_check_cache.yml

@@ -26,7 +26,7 @@ jobs:
       valid-cache: ${{ steps.cache_deps.outputs.cache-hit }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           lfs: 'true'
         

.github/workflows/build_deps.yml

@@ -34,7 +34,7 @@ jobs:
 
       # Setup the environment
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           lfs: 'true'
 

.github/workflows/build_orca.yml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           lfs: 'true'
 

.github/workflows/check_locale.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:  
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install gettext 
         run: |

.github/workflows/check_profiles.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:  
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run extra JSON check
         run: |

.github/workflows/dedupe-issues.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run Claude Code slash command
         uses: anthropics/claude-code-base-action@beta

.github/workflows/shellcheck.yml

@@ -36,7 +36,7 @@ jobs:
           tar -xvf ~/sc.tar.xz -C ~
           mv ~/shellcheck-"${INPUT_VERSION}"/shellcheck ~/shellcheck
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 1
 

.github/workflows/update-translation.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:  
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v6