Bump actions/checkout from 5 to 6 (#3861)

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

@@ -36,7 +36,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/docs.yaml

@@ -25,7 +25,7 @@ jobs:
      name: Build docs
      runs-on: ubuntu-latest
      steps:
-       - uses: actions/checkout@v5
+       - uses: actions/checkout@v6
        - uses: actions/setup-python@v6
          with:
            python-version: "3.10"

.github/workflows/hiredis-py-integration.yaml

@@ -53,7 +53,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     name: Redis ${{ matrix.redis-version }}; Python ${{ matrix.python-version }}; RESP Parser:${{matrix.parser-backend}} (${{ matrix.hiredis-version }}); EL:${{matrix.event-loop}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.redis-py-branch }}
       - name: Run tests

.github/workflows/integration.yaml

@@ -37,7 +37,7 @@ jobs:
     name: Dependency audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: pypa/gh-action-pip-audit@v1.0.8
         with:
           inputs: dev_requirements.txt
@@ -48,7 +48,7 @@ jobs:
     name: Code linters
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.10"
@@ -84,7 +84,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     name: Redis ${{ matrix.redis-version }}; Python ${{ matrix.python-version }}; RESP Parser:${{matrix.parser-backend}}; EL:${{matrix.event-loop}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
@@ -108,7 +108,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     name: Redis ${{ matrix.redis-version }}; Python ${{ matrix.python-version }}; RESP Parser:${{matrix.parser-backend}}; EL:${{matrix.event-loop}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
@@ -133,7 +133,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     name: Redis ${{ matrix.redis-version }}; Python ${{ matrix.python-version }}; RESP Parser:${{matrix.parser-backend}} (${{ matrix.hiredis-version }}); EL:${{matrix.event-loop}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
@@ -158,7 +158,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     name: Redis ${{ matrix.redis-version }}; Python ${{ matrix.python-version }}; RESP Parser:${{matrix.parser-backend}}; EL:${{matrix.event-loop}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run tests
         uses: ./.github/actions/run-tests
         with:
@@ -176,7 +176,7 @@ jobs:
       matrix:
         extension: ['tar.gz', 'whl']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.10"
@@ -195,7 +195,7 @@ jobs:
       matrix:
         python-version: ['3.10', '3.11', '3.12', '3.13', '3.14', 'pypy-3.10', 'pypy-3.11']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}

.github/workflows/pypi-publish.yaml

@@ -13,7 +13,7 @@ jobs:
   build_and_package:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: install python
         uses: actions/setup-python@v6
         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@0.53.0
         with: