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](https://github.com/actions/checkout/compare/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>

.github/workflows/build-ws-container.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: main

.github/workflows/codeql.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4

.github/workflows/dependabot.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}

.github/workflows/differential-shellcheck.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Repository checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/flatpak-test.yml

@@ -24,7 +24,7 @@ jobs:
         run: flatpak install --assumeyes --user org.flatpak.Builder
 
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # need this to also fetch tags
           fetch-depth: 0

.github/workflows/nightly.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Trigger updates-testing scenario
         run: |

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       contents: write
     steps:
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -46,7 +46,7 @@ jobs:
       options: --user root
     steps:
       - name: Checkout website repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: website
           repository: cockpit-project/cockpit-project.github.io
@@ -99,12 +99,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: src
 
       - name: Checkout flathub repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: flathub
           repository: flathub/org.cockpit_project.CockpitClient
@@ -154,7 +154,7 @@ jobs:
     permissions: {}
     steps:
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up git
         run: |

.github/workflows/reposchutz.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Clone target branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/tasks-container-update.yml

@@ -23,7 +23,7 @@ jobs:
           echo '${{ secrets.GITHUB_TOKEN }}' > ~/.config/github-token
 
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ssh-key: ${{ secrets.DEPLOY_KEY }}
 

.github/workflows/tox.yaml

@@ -27,7 +27,7 @@ jobs:
         run: git config --global --add safe.directory /__w/cockpit/cockpit
 
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Checkout submodules
         run: vendor/checkout

.github/workflows/urls-check.yml

@@ -15,7 +15,7 @@ jobs:
           echo '${{ secrets.GITHUB_TOKEN }}' > ~/.config/github-token
 
       - name: Clone repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run urls-check action
         run: |

.github/workflows/weblate-sync-po.yml

@@ -25,13 +25,13 @@ jobs:
           sudo apt install -y --no-install-recommends gettext
 
       - name: Clone source repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ssh-key: ${{ secrets.DEPLOY_KEY }}
           path: src
 
       - name: Clone weblate repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: ${{ github.repository }}-weblate
           path: weblate

.github/workflows/weblate-sync-pot.yml

@@ -21,7 +21,7 @@ jobs:
         run: git config --global --add safe.directory /__w/
 
       - name: Clone source repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: src
           fetch-depth: 0
@@ -33,7 +33,7 @@ jobs:
           make po/cockpit.pot
 
       - name: Clone weblate repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: weblate
           repository: ${{ github.repository }}-weblate