Fix min julia version to 1.9

Author: quinnj

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - "min"
+          - "1.9"
           - "1" # automatically expands to the latest stable 1.x release of Julia
           - nightly
         os: