CompatHelper: bump compat for Functors to 0.4, (keep existing compat) (#2128)

Co-authored-by: CompatHelper Julia <[email protected]>

Author: github-actions[bot]

Project.toml

@@ -27,7 +27,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 Adapt = "3.0"
 CUDA = "3"
 ChainRulesCore = "1.12"
-Functors = "0.3"
+Functors = "0.3, 0.4"
 MLUtils = "0.2, 0.3.1"
 MacroTools = "0.5"
 NNlib = "0.8.9"