Bump actions/checkout from 4 to 6

.github/workflows/lychee-cron.yaml

@@ -12,7 +12,7 @@ jobs:
       issues: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Restore lychee cache
         uses: actions/cache@v4

.github/workflows/lychee-pr.yaml

@@ -4,7 +4,7 @@ jobs:
   linkChecker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Restore lychee cache
         uses: actions/cache@v4

.github/workflows/push-website.yaml

@@ -31,7 +31,7 @@ jobs:
     outputs:
       external: ${{ steps.changes.outputs.external }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: dorny/paths-filter@v3
       id: changes
       with:

.github/workflows/update-kubecon.yaml

@@ -10,7 +10,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Pull html from site and convert to markdown
         run: |
           # go install github.com/suntong/html2md@latest

.github/workflows/update-project-data.yaml

@@ -13,7 +13,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v5
         with: