higher Julia compact as same as Pickle

Author: yuehhua

.github/workflows/UnitTest.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        julia-version: ['1.0', '1', 'nightly']
+        julia-version: ['1.3', '1', 'nightly']
         os: [ubuntu-latest, windows-latest, macOS-latest]
     env:
       PYTHON: ""

Project.toml

@@ -26,7 +26,7 @@ JSON3 = "1"
 MAT = "0.7, 0.8, 0.9, 0.10"
 Pickle = "0.2"
 Requires = "1"
-julia = "1"
+julia = "1.3"
 
 [extras]
 ImageCore = "a09fc81d-aa75-5fe9-8630-4744c3626534"