build(deps): 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](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] <support@github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -51,7 +51,7 @@ jobs:
         ghc: ['8.0', '8.10', '9.0.1', 'latest']
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: source
           path: source/
@@ -83,7 +83,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Download artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: source
           path: source/
@@ -109,7 +109,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Download artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
 
       - name: List files for debugging
         run: find .
@@ -147,13 +147,13 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Download artifacts (source)
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: source
           path: source/
 
       - name: Download artifacts (binaries)
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: deploy
           path: deploy/