Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/branches-and-prs.yaml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Check out'
-      uses: 'actions/checkout@v4'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Execute script'
       run: 'rm ''.github/workflows/branches-and-prs.yaml'' && ''.github/workflows/branches-and-prs.main.kts'''
@@ -35,7 +35,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Regenerate all Workflow YAMLs'
       run: 'find .github/workflows -mindepth 1 -maxdepth 1 -name ''*.main.kts'' -exec {} \;'
@@ -106,7 +106,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
       with:
         fetch-depth: '2'
     - id: 'step-1'

.github/workflows/codeql-analysis.yaml

@@ -21,7 +21,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Check out'
-      uses: 'actions/checkout@v4'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Execute script'
       run: 'rm ''.github/workflows/codeql-analysis.yaml'' && ''.github/workflows/codeql-analysis.main.kts'''
@@ -44,7 +44,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Set up JDKs'
       uses: './.github/actions/setup-build-env'

.github/workflows/docs-pr.yaml

@@ -20,7 +20,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Check out'
-      uses: 'actions/checkout@v4'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Execute script'
       run: 'rm ''.github/workflows/docs-pr.yaml'' && ''.github/workflows/docs-pr.main.kts'''
@@ -35,7 +35,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
       with:
         fetch-depth: '1'
     - id: 'step-1'

.github/workflows/release.yaml

@@ -16,7 +16,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Check out'
-      uses: 'actions/checkout@v4'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Execute script'
       run: 'rm ''.github/workflows/release.yaml'' && ''.github/workflows/release.main.kts'''
@@ -86,7 +86,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
       with:
         fetch-depth: '2'
     - id: 'step-1'
@@ -131,7 +131,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Set up JDKs'
       uses: './.github/actions/setup-build-env'
@@ -163,7 +163,7 @@ jobs:
     steps:
     - id: 'step-0'
       name: 'Checkout Repository'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Set up JDKs'
       uses: './.github/actions/setup-build-env'