deps(actions): bump actions/download-artifact from 4 to 5 (#112484)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/pr-e2e-tests.yml

@@ -159,7 +159,7 @@ jobs:
         with:
           registry: 'us-docker.pkg.dev'
           environment: 'dev'
-      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
+      - uses: actions/download-artifact@4a24838f3d5601fd639834081e118c2995d51e1c
         with:
           name: grafana-docker-tar-gz
           path: .
@@ -221,10 +221,10 @@ jobs:
       - uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: grafana-tar-gz
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: ${{ needs.build-e2e-runner.outputs.artifact }}
       - name: chmod +x
@@ -298,7 +298,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: grafana-tar-gz
       - name: Run E2E tests
@@ -360,7 +360,7 @@ jobs:
         run: |
           docker cp cpp-e2e-deploy:/outputs.json /tmp/outputs.json
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: grafana-tar-gz
 
@@ -400,7 +400,7 @@ jobs:
           node-version-file: '.nvmrc'
 
       - name: Download blob reports from GitHub Actions Artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: blobs
           pattern: playwright-blob-*
@@ -479,7 +479,7 @@ jobs:
       - uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: grafana-tar-gz
       - name: Run PR a11y test
@@ -531,7 +531,7 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Get pa11y results
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: pa11y-ci-results
       - name: Extract and publish metrics