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/ai-runner-docker-batch-base.yaml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/ai-runner-docker-batch-pipelines.yaml

@@ -37,7 +37,7 @@ jobs:
           - docker/Dockerfile.llm
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           # Check https://github.com/livepeer/go-livepeer/pull/1891

.github/workflows/ai-runner-docker-live-comfyui.yaml

@@ -29,7 +29,7 @@ jobs:
     runs-on: [self-hosted, linux, amd64]
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/ai-runner-docker-live-noop.yaml

@@ -33,7 +33,7 @@ jobs:
     runs-on: [self-hosted, linux, amd64]
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 50
           ref: ${{ github.event.pull_request.head.sha }}
@@ -87,7 +87,7 @@ jobs:
       pull-requests: read
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/ai-runner-docker-live-scope.yaml

@@ -31,7 +31,7 @@ jobs:
     runs-on: [self-hosted, linux, amd64]
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/ai-runner-docker-live-streamdiffusion.yaml

@@ -45,7 +45,7 @@ jobs:
       DOCKER_SUFFIX: ${{ matrix.subtype && format('-{0}', matrix.subtype) || '' }}
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/ai-runner-models.yaml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           # Check https://github.com/livepeer/go-livepeer/pull/1891
@@ -100,7 +100,7 @@ jobs:
       cancel-in-progress: false
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           # Check https://github.com/livepeer/go-livepeer/pull/1891

.github/workflows/ai-runner-test.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v5

.github/workflows/comfyui-trigger.yaml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/validate-openapi-on-pr.yaml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0