CompatHelper: bump compat for ForwardDiff to 1 for package docs, (keep existing compat) (#865)

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

Author: github-actions[bot]

docs/Project.toml

@@ -18,7 +18,7 @@ Distributions = "0.25"
 Documenter = "1"
 DocumenterMermaid = "0.1, 0.2"
 FillArrays = "0.13, 1"
-ForwardDiff = "0.10"
+ForwardDiff = "0.10, 1"
 JET = "0.9"
 LogDensityProblems = "2"
 MCMCChains = "5, 6"