CompatHelper: bump compat for Quaternions to 0.6, (keep existing compat) (#241)

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

Author: github-actions[bot]

Project.toml

@@ -10,6 +10,6 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-Quaternions = "0.5.3"
+Quaternions = "0.5.3, 0.6"
 StaticArrays = "1.2.12"
 julia = "1.6"