build(deps): bump the actions group with 2 updates (#687)

Bumps the actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 6 to 7
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

Updates `actions/download-artifact` from 7 to 8
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v7...v8)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -218,7 +218,7 @@ jobs:
           ruby-version: "3.4"
           bundler-cache: true
       - run: ./bin/test-gem-build gems ruby
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: source-gem
           path: gems
@@ -245,7 +245,7 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           apt-get: libsqlite3-dev pkg-config
           mingw: sqlite3
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: source-gem
           path: gems
@@ -281,7 +281,7 @@ jobs:
           docker run --rm -v $PWD:/work -w /work \
             ghcr.io/rake-compiler/rake-compiler-dock-image:${{ needs.native_setup.outputs.rcd_image_version }}-mri-${{ matrix.platform }} \
             ./bin/test-gem-build gems ${{ matrix.platform }}
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: "cruby-${{ matrix.platform }}-gem"
           path: gems
@@ -319,7 +319,7 @@ jobs:
     runs-on: ${{ matrix.runner || 'ubuntu-latest' }}
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: cruby-${{ matrix.platform }}-gem
           path: gems
@@ -352,7 +352,7 @@ jobs:
       - uses: ruby/setup-ruby@d3e3bd032ad2222a8ac878bbccf2aba78864e134
         with:
           ruby-version: "${{ matrix.ruby }}"
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: cruby-${{ matrix.platform }}-gem
           path: gems
@@ -376,7 +376,7 @@ jobs:
       image: ruby:${{matrix.ruby}}-${{matrix.flavor}}
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: cruby-x86_64-linux-musl-gem
           path: gems