chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/generate_idehelper.yml

@@ -20,7 +20,7 @@ jobs:
         pull-requests: write  # Needed for creating pull requests
       steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3.7.0
       - name: Set up Docker Buildx

.github/workflows/test_and_build.yml

@@ -32,7 +32,7 @@ jobs:
       runs-on: 'ubuntu-latest'
       steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3.7.0
       - name: Set up Docker Buildx

.github/workflows/update-dockerhub.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Update Docker HUB Description
         uses: peter-evans/dockerhub-description@v5.0.0
         with:

.github/workflows/website_build.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event_name == 'pull_request' || (github.event_name == 'push' && startsWith(github.ref, 'refs/heads/main')) }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: build
       run: docker run --rm -v ${{ github.workspace }}/docs:/docs -e USERID=$(id -u ${USER}) -e GROUPID=$(id -g ${USER}) lan2play/docker-sphinxbuild:latest
 
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event_name == 'release' }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: build
       run: docker run --rm -v ${{ github.workspace }}/docs:/docs -e USERID=$(id -u ${USER}) -e GROUPID=$(id -g ${USER}) lan2play/docker-sphinxbuild:latest
     - name: Install SSH key