Update julia compat 1.6.7 -> 1.8.5

Author: uvegege

Project.toml

@@ -8,7 +8,7 @@ Makie = "ee78f7c6-11fb-53f2-987a-cfe4a2b5a57a"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 
 [compat]
-julia = "1.6.7"
+julia = "1.8.5"
 Makie = "0.20.10"
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"