Bump actions/download-artifact from 3 to 4 (#398)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  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/buildimage.yml

@@ -325,31 +325,31 @@ jobs:
 
       - name: Download steampipe_postgres_fdw.so - darwin_amd64
         id: download_fdw_so_darwin_amd64
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: steampipe_postgres_fdw.so.darwin_amd64
 
       - name: Download steampipe_postgres_fdw.so - linux_amd64
         id: download_fdw_so_linux_amd64
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: steampipe_postgres_fdw.so.linux_amd64
 
       - name: Download steampipe_postgres_fdw.so - linux_arm64
         id: download_fdw_so_linux_arm64
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: steampipe_postgres_fdw.so.linux_arm64
 
       - name: Download steampipe_postgres_fdw.control
         id: download_fdw_control
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: steampipe_postgres_fdw.control
 
       - name: Download steampipe_postgres_fdw--1.0.sql
         id: download_fdw_sql
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: steampipe_postgres_fdw--1.0.sql