Update CompatHelper.yml

Author: ChrisRackauckas

.github/workflows/CompatHelper.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: julia-actions/setup-julia@latest
         with:
-          version: 1.3
+          version: 1
       - name: Pkg.add("CompatHelper")
         run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
       - name: CompatHelper.main()