Merge pull request #138 from SciML/ci-update-julia-versions

Update CI to test on Julia 1, lts, and pre versions

Author: ChrisRackauckas

.github/workflows/ci.yml

@@ -11,6 +11,8 @@ jobs:
       matrix:
         version:
           - '1'
+          - 'lts'
+          - 'pre'
         os:
           - ubuntu-latest
           - macOS-latest