Merge pull request #265 from SciML/compathelper/new_version/2025-01-12-00-19-01-979-03074785580

CompatHelper: add new compat entry for Symbolics at version 6 for package docs, (keep existing compat)

Author: ChrisRackauckas

docs/Project.toml

@@ -104,5 +104,6 @@ StableRNGs = "1"
 StaticArrays = "1"
 Statistics = "1"
 StatsPlots = "0.15"
+Symbolics = "6"
 Unitful = "1"
 Zygote = "0.6, 0.7"