Bump actions/checkout from 5 to 6

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>

Author: dependabot[bot]

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/publish-snapshot.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v6
         with:

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v6
         with:

.github/workflows/test-rabbitmq-alphas.yml

@@ -31,9 +31,9 @@ jobs:
             rabbitmq-branch: 4.3
     name:  Test against ${{ matrix.rabbitmq-image }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Checkout tls-gen
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: rabbitmq/tls-gen
           path: './tls-gen'

.github/workflows/test-supported-java-versions-5.x.yml

@@ -17,11 +17,11 @@ jobs:
             version: '17'
     name:  Test against Java ${{ matrix.distribution }} ${{ matrix.version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: 5.x.x-stable
       - name: Checkout tls-gen
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: rabbitmq/tls-gen
           path: './tls-gen'

.github/workflows/test-supported-java-versions-main.yml

@@ -17,9 +17,9 @@ jobs:
             version: '17'
     name:  Test against Java ${{ matrix.distribution }} ${{ matrix.version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Checkout tls-gen
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: rabbitmq/tls-gen
           path: './tls-gen'

.github/workflows/test.yml

@@ -22,9 +22,9 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Checkout tls-gen
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: rabbitmq/tls-gen
           path: './tls-gen'