CompatHelper: bump compat for "FillArrays" to "0.13" for package ReinforcementLearningCore (#583)

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src/ReinforcementLearningCore/Project.toml

@@ -38,7 +38,7 @@ CircularArrayBuffers = "0.1"
 Compat = "3"
 Distributions = "0.24, 0.25"
 ElasticArrays = "1.2"
-FillArrays = "0.8, 0.9, 0.10, 0.11, 0.12"
+FillArrays = "0.8, 0.9, 0.10, 0.11, 0.12, 0.13"
 Flux = "0.12"
 Functors = "0.1, 0.2"
 GPUArrays = "5, 6.0, 7, 8"