CompatHelper: bump compat for "FixedEffectModels" to "0.11" (#23)

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

Author: github-actions[bot]

Project.toml

@@ -21,7 +21,7 @@ Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 DataFrames = "0.19, 0.20, 0.21"
 Distributions = "0"
 FillArrays = "0"
-FixedEffectModels = "0.10.3, 0.10.4"
+FixedEffectModels = "0.10.3, 0.10.4, 0.11"
 FixedEffects = "0.7"
 LeastSquaresOptim = "0.7"
 Reexport = "0"