Bump actions/download-artifact from 3 to 4

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]>

.github/workflows/deploy.yml

@@ -90,7 +90,7 @@ jobs:
 
         steps:
             -   name: Download docs artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: docs
                     path: artifacts
@@ -124,7 +124,7 @@ jobs:
                 run: composer update --no-progress --no-interaction
 
             -   name: Download search artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: ${{ env.ARTIFACT_INDEXES }}
 
@@ -171,7 +171,7 @@ jobs:
                 run: composer update --no-progress --no-interaction
 
             -   name: Download docs artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: docs
 
@@ -226,17 +226,17 @@ jobs:
 
         steps:
             -   name: Download docs artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: docs
 
             -   name: Download sitemap artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: sitemap
 
             -   name: Download robots artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: robots
 
@@ -278,7 +278,7 @@ jobs:
 
         steps:
             -   name: Download search artifact
-                uses: actions/download-artifact@v3
+                uses: actions/download-artifact@v4
                 with:
                     name: ${{ env.ARTIFACT_INDEXES_CLEARED }}