build(deps): bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...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/ci.yml

@@ -28,7 +28,7 @@ jobs:
       MACOSX_DEPLOYMENT_TARGET: 10.13
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |
@@ -88,7 +88,7 @@ jobs:
             },
           ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |
@@ -138,7 +138,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v5
         name: Install Python
@@ -160,7 +160,7 @@ jobs:
         rust: [stable]
         python-version: ["3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |
@@ -196,7 +196,7 @@ jobs:
         rust: [stable]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |
@@ -269,7 +269,7 @@ jobs:
         rust: [stable]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install rust ${{ matrix.rust }}
         uses: dtolnay/rust-toolchain@master
         with:

.github/workflows/cloud.yml

@@ -20,7 +20,7 @@ jobs:
         rust: [stable]
         python-version: ["3.9", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |

.github/workflows/latest-dev-fluvio.yaml

@@ -17,7 +17,7 @@ jobs:
         rust: [stable]
         python-version: ["3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install rust ${{ matrix.rust }}
         uses: dtolnay/rust-toolchain@master
         with:

.github/workflows/publish.yml

@@ -22,7 +22,7 @@ jobs:
       MACOSX_DEPLOYMENT_TARGET: 10.13
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |
@@ -76,7 +76,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v5
         name: Install Python
@@ -111,7 +111,7 @@ jobs:
             },
           ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/cache@v4
         with:
           path: |
@@ -188,7 +188,7 @@ jobs:
         os: [ubuntu-latest]
         python-version: ["3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
           fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
@@ -223,7 +223,7 @@ jobs:
     permissions:
       contents: write           # 'write' access to repository contents
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
           fetch-depth: 0 # otherwise, you will failed to push refs to dest repo