Bump actions/download-artifact from 4.1.7 to 4.1.8 (#32396)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.7 to 4.1.8.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.7...v4.1.8)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build_wheels.yml

@@ -207,7 +207,7 @@ jobs:
  steps:
  - name: Download compressed sources from artifacts
  # Pinned to v3 because of https://github.com/actions/download-artifact/issues/249
- uses: actions/download-artifact@v4.1.7
+ uses: actions/download-artifact@v4.1.8
  with:
  name: source_zip
  path: source/
@@ -238,14 +238,14 @@ jobs:
  steps:
  - name: Download python source distribution from artifacts
  # Pinned to v3 because of https://github.com/actions/download-artifact/issues/249
- uses: actions/download-artifact@v4.1.7
+ uses: actions/download-artifact@v4.1.8
  with:
  name: source
  path: apache-beam-source
  - name: Download Python SDK RC source distribution from artifacts
  if: ${{ needs.build_source.outputs.is_rc == 1 }}
  # Pinned to v3 because of https://github.com/actions/download-artifact/issues/249
- uses: actions/download-artifact@v4.1.7
+ uses: actions/download-artifact@v4.1.8
  with:
  name: source_rc${{ needs.build_source.outputs.rc_num }}
  path: apache-beam-source-rc
@@ -334,7 +334,7 @@ jobs:
  steps:
  - name: Download wheels from artifacts
  # Pinned to v3 because of https://github.com/actions/download-artifact/issues/249
- uses: actions/download-artifact@v4.1.7
+ uses: actions/download-artifact@v4.1.8
  with:
  name: wheelhouse-${{ matrix.os }}${{ (matrix.arch == 'aarch64' && '-aarch64') || '' }}
  path: wheelhouse/

.github/workflows/python_tests.yml

@@ -172,7 +172,7 @@ jobs:
  python-version: ${{ matrix.python }}
  go-version: default
  - name: Download source from artifacts
- uses: actions/download-artifact@v4.1.7
+ uses: actions/download-artifact@v4.1.8
  with:
  name: python_sdk_source
  path: apache-beam-source