Bump the actions group across 1 directory with 3 updates

Bumps the actions group with 3 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `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)

Updates `actions/upload-artifact` from 4 to 5
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -11,15 +11,15 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'Merge pull request')"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: 'go.mod'
       - name: Install all tools
         run: make tools
       - name: tidy
         run: go mod tidy
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: tools
           path: bin/
@@ -29,11 +29,11 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'Merge pull request')"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: 'go.mod'
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v8
         with:
           name: tools
           path: bin/
@@ -47,11 +47,11 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'Merge pull request')"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: 'go.mod'
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v8
         with:
           name: tools
           path: bin/
@@ -65,11 +65,11 @@ jobs:
     if: "!contains(github.event.head_commit.message, 'Merge pull request')"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: 'go.mod'
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v8
         with:
           name: tools
           path: bin/