CompatHelper: bump compat for "BlockArrays" to "0.12" (#302)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Project.toml

@@ -26,7 +26,7 @@ StatsModels = "3eaba693-59b7-5ba5-a881-562e759f1c8d"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 
 [compat]
-BlockArrays = "0.11"
+BlockArrays = "0.11, 0.12"
 BlockDiagonals = "0.1"
 Distributions = "0.21, 0.22, 0.23"
 Feather = "0.5"