ci: test with 1, lts and pre versions of julia (#186)

Author: thazhemadam

.github/workflows/Tests.yml

@@ -20,7 +20,8 @@ jobs:
       matrix:
         version:
           - "1"
-          - "1.6"
+          - "lts"
+          - "pre"
     uses: "SciML/.github/.github/workflows/tests.yml@v1"
     with:
       julia-version: "${{ matrix.version }}"