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

Author: renovate[bot]

.github/workflows/docker-image.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
 #      - name: Set up QEMU

.github/workflows/go-mod-fix.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
       - name: fix

.github/workflows/go-test.yml

@@ -17,7 +17,7 @@ jobs:
         os: [ [ubuntu-latest] ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: 'go.mod'

.github/workflows/golangci-lint.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: golangci-lint
         uses: reviewdog/action-golangci-lint@v2
         with:

.github/workflows/jepsen-test.yml

@@ -12,7 +12,7 @@ jobs:
     env:
       RUN_JEPSEN: 'true'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           distribution: temurin