Bump julia-actions/julia-format from 3 to 4 (#399)

Author: dependabot[bot]

.github/workflows/Format.yml

@@ -8,6 +8,6 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: julia-actions/julia-format@v3
+      - uses: julia-actions/julia-format@v4
         with:
           version: '1' # Change this to pin to a specific JuliaFormatter version