Set julia version number lower since CI runs tests fine

Author: johnzl-777

Project.toml

@@ -9,7 +9,7 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
-julia = "1.8.4"
+julia = "1.8"
 
 [extras]
 Coverage = "a2441757-f6aa-5fb2-8edb-039e3f45d037"