CompatHelper: bump compat for Setfield to 0.8, (keep existing compat) (#66)

Co-authored-by: CompatHelper Julia <[email protected]>

Author: github-actions[bot]

Project.toml

@@ -8,7 +8,7 @@ Setfield = "efcf1570-3423-57d1-acb7-fd33fddbac46"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-Setfield = "0.3, 0.4, 0.5, 0.6, 0.7"
+Setfield = "0.3, 0.4, 0.5, 0.6, 0.7, 0.8"
 julia = "1"
 
 [extras]