ci: Upgrade actions/upload-artifact and actions/download-artifact to …

…v4 (#50)

Artifact actions v3 will be deprecated by December 5, 2024, updating
them.

cc paritytech/ci_cd#1078

.github/workflows/check-dist.yml

@@ -13,10 +13,10 @@ on:
     branches:
       - main
     paths-ignore:
-      - '**.md'
+      - "**.md"
   pull_request:
     paths-ignore:
-      - '**.md'
+      - "**.md"
   workflow_dispatch:
 
 jobs:
@@ -54,7 +54,7 @@ jobs:
 
       # If index.js was different than expected, upload the expected version as
       # a workflow artifact.
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: ${{ failure() && steps.diff.conclusion == 'failure' }}
         with:
           name: dist