CompatHelper: bump compat for "FillArrays" to "0.9" (#41)

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Author: github-actions[bot]

Project.toml

@@ -29,7 +29,7 @@ DomainSets = "0.3, 0.4"
 FFTW = "1.1"
 FastGaussQuadrature = "0.4"
 FastTransforms = "0.8, 0.9"
-FillArrays = "0.8"
+FillArrays = "0.8, 0.9"
 IntervalSets = "0.5"
 Reexport = "0.2"
 SpecialFunctions = "0.8, 0.9, 0.10"