CI: use latest julia-format version

Author: alyst

.github/workflows/FormatCheck.yml

@@ -7,7 +7,4 @@ jobs:
   code-style:
     runs-on: ubuntu-latest
     steps:
-    - uses: julia-actions/julia-format@v2
-      with:
-        julia-version: '1'
-        suggestion-label: 'format suggestion'
+    - uses: julia-actions/julia-format@master