Bump actions/download-artifact from 6 to 7 (#1104)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build-assets.yml

@@ -121,7 +121,7 @@ jobs:
         run: sudo apt-get update && sudo apt-get --assume-yes install gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
         if: matrix.target == 'aarch64-unknown-linux-gnu'
 
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           name: plugin
           path: target/wasm32-wasip1/release/

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
           cache-prefix: native
 
       - name: Download plugins
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: plugins
           path: target/