chore(deps): bump actions/checkout from 5 to 6 (#3610)

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>
Co-authored-by: Nedyalko Dyakov <1547186+ndyakov@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
           go-version: ${{ matrix.go-version }}
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Test environment
         env:
@@ -83,7 +83,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run tests
         uses: ./.github/actions/run-tests

.github/workflows/codeql-analysis.yml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/doctests.yaml

@@ -36,7 +36,7 @@ jobs:
           go-version: ${{ matrix.go-version }}
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Test doc examples
         working-directory: ./doctests

.github/workflows/golangci-lint.yml

@@ -20,7 +20,7 @@ jobs:
     name: lint
     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:

.github/workflows/spellcheck.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Check Spelling
         uses: rojopolis/spellcheck-github-actions@0.54.0
         with:

.github/workflows/test-redis-enterprise.yml

@@ -20,10 +20,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Clone Redis EE docker repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: RedisLabs/redis-ee-docker
           path: redis-ee