Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/codeql.yml

@@ -68,7 +68,7 @@ jobs:
             # yamllint enable rule:line-length
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL

.github/workflows/docker-image.yml

@@ -18,7 +18,7 @@ jobs:
     name: "Build Docker images"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3

.github/workflows/dotnet-coverage.yml

@@ -23,7 +23,7 @@ jobs:
         os: ["windows-2025"]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
         with:

.github/workflows/dotnet-lint.yml

@@ -24,7 +24,7 @@ jobs:
         dotnet-version: [8.x, 9.x]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup .NET ${{ matrix.dotnet-version }}
         uses: actions/setup-dotnet@v5
         with:

.github/workflows/dotnet-test.yml

@@ -24,7 +24,7 @@ jobs:
         dotnet-version: [8.x, 9.x]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup .NET ${{ matrix.dotnet-version }}
         uses: actions/setup-dotnet@v5
         with:

.github/workflows/gitleaks.yml

@@ -21,7 +21,7 @@ jobs:
     name: gitleaks
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           fetch-depth: 0
       - uses: gitleaks/gitleaks-action@bf2dc8e55639c1e091e9b45970152e4313705814

.github/workflows/markdown-lint.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6

.github/workflows/sonarcloud.yml

@@ -19,7 +19,7 @@ jobs:
           java-version: 21
           # Alternative distribution options are available.
           distribution: "temurin"
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # Shallow clones should be disabled for a better relevancy of analysis
           fetch-depth: 0

.github/workflows/yamllint.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Install yamllint
         run: pip install yamllint