chore(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/docs.yml

@@ -40,7 +40,7 @@ jobs:
     name: Deploy to Azure Static Web Apps
     steps:
       - name: Download Artifact
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: docs
           path: dist

.github/workflows/rust.yml

@@ -149,7 +149,7 @@ jobs:
         uses: Swatinem/rust-cache@v2
 
       - name: Fetch Versioned Cargo.toml
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: cargofile
 
@@ -230,7 +230,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Pull in platform artifact
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: github-backup-${{ env.PLATFORM_PAIR }}
 
@@ -282,7 +282,7 @@ jobs:
           echo "FULL_IMAGE_NAME=${image}" >> $GITHUB_ENV
 
       - name: Download digests
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           path: /tmp/digests
           pattern: image-digest-*