CompatHelper: bump compat for "FillArrays" to "0.12"

Author: github-actions[bot]

Project.toml

@@ -26,7 +26,7 @@ DSP = "0.6"
 FFTW = "1"
 FastGaussQuadrature = "0.4"
 FastTransforms_jll = "0.5.1"
-FillArrays = "0.9, 0.10, 0.11"
+FillArrays = "0.9, 0.10, 0.11, 0.12"
 Reexport = "0.2, 1.0"
 SpecialFunctions = "0.10, 1"
 ToeplitzMatrices = "0.6"