Bump actions/download-artifact from 6 to 7

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v6...v7)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2facf31..b37e690 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -639,7 +639,7 @@
       - name: Run configure
         run: ./configure $(echo $CONFIG_ARGS_FOR_LIBS | sed 's/without-py3/with-py3/')
 
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           name: thrift-compiler-${{ matrix.os }}
           path: compiler/cpp
@@ -790,7 +790,7 @@
         run: |
           ./configure $(echo $CONFIG_ARGS_FOR_LIBS | sed 's/without-ruby/with-ruby/')
 
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           name: thrift-compiler
           path: compiler/cpp