CompatHelper: bump compat for "FillArrays" to "0.9" (#27)

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

Author: github-actions[bot]

Project.toml

@@ -40,7 +40,7 @@ BlockBandedMatrices = "0.7, 0.8"
 DomainSets = "0.1, 0.2, 0.3"
 FastGaussQuadrature = "0.4"
 FastTransforms = "0.8, 0.9"
-FillArrays = "0.8"
+FillArrays = "0.8, 0.9"
 InfiniteArrays = "0.6, 0.7"
 LazyArrays = "0.14, 0.15, 0.16"
 Makie = "0.10, 0.11"