build(deps): bump actions/checkout from 5 to 6 (#793)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/codeql-analysis.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/master.yaml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.10.0
       - name: Login to GitHub Packages Docker Registry
@@ -42,7 +42,7 @@ jobs:
           check-latest: true
           go-version: stable
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Goreportcard
         uses: creekorful/goreportcard-action@v1.0
       - name: Test

.github/workflows/release.yaml

@@ -21,7 +21,7 @@ jobs:
           - goarch: "386"
             goos: darwin
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: wangyoucao577/go-release-action@v1.53
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yaml

@@ -23,7 +23,7 @@ jobs:
           go-version: ${{ matrix.go-version }}
           stable: false
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run tests
         run: make test
         env:
@@ -37,7 +37,7 @@ jobs:
         with:
           go-version: stable
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build binary
         run: make build/slack-bot
       - name: Run tests with race
@@ -57,7 +57,7 @@ jobs:
     if: ${{ github.event_name == 'pull_request' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v9.0.0
         with:
@@ -67,7 +67,7 @@ jobs:
     name: Security
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run Gosec Security Scanner
         uses: securego/gosec@master
         with:
@@ -81,7 +81,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.10.0
       - name: Build and push