Bump the github-actions group with 4 updates

Bumps the github-actions group with 4 updates: [actions/checkout](https://github.com/actions/checkout), [actions/upload-artifact](https://github.com/actions/upload-artifact), [actions/setup-python](https://github.com/actions/setup-python) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/checkout` from 4 to 5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

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

Updates `actions/download-artifact` from 4 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v6)

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

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

Author: dependabot[bot]

.github/workflows/local_hybrid_tests.yml

@@ -35,7 +35,7 @@ jobs:
     needs: build-installer
     if: github.event_name != 'pull_request' || github.event.pull_request.draft == false || contains(github.event.pull_request.labels.*.name, 'ready_for_ci')
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Remove existing GAIA installation
         shell: powershell
@@ -57,7 +57,7 @@ jobs:
           Write-Host "Expected installer hash: ${{ needs.build-installer.outputs.INSTALLER_HASH }}"
 
       - name: Download GAIA Installer
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: gaia-windows-installer-${{ needs.build-installer.outputs.VERSION }}-${{ needs.build-installer.outputs.COMMIT_HASH }}
           path: installer

.github/workflows/test_agent_mcp_server.yml

@@ -28,10 +28,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python 3.10
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.10'
           cache: 'pip'
@@ -80,7 +80,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: test-results-${{ matrix.os }}
           path: |

.github/workflows/test_chat_sdk.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: [stx, miniforge]
     if: github.event_name != 'pull_request' || github.event.pull_request.draft == false || contains(github.event.pull_request.labels.*.name, 'ready_for_ci')
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Download and Install Miniforge
         run: |

.github/workflows/test_gaia_cli_windows.yml

@@ -35,7 +35,7 @@ jobs:
     runs-on: [stx, miniforge]
     if: github.event_name != 'pull_request' || github.event.pull_request.draft == false || contains(github.event.pull_request.labels.*.name, 'ready_for_ci')
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Download and Install Miniforge
         run: |