Update SymbolicAnalysis requirement 0.4 (#137)

Updates the requirements on [SymbolicAnalysis](https://github.com/SciML/SymbolicAnalysis.jl) to permit the latest version.

Updates `SymbolicAnalysis` to 0.4.0
- [Release notes](https://github.com/SciML/SymbolicAnalysis.jl/releases)
- [Commits](v0.3.6...v0.4.0)

---
updated-dependencies:
- dependency-name: SymbolicAnalysis
  dependency-version: 0.4.0
  dependency-type: direct:production
  dependency-group: all-julia-packages
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/Project.toml

@@ -32,6 +32,6 @@ Manifolds = "0.9, 0.11"
 PDMats = "0.11"
 RecursiveArrayTools = "3, 4.3"
 StatsBase = "0.34"
-SymbolicAnalysis = "0.3.6"
+SymbolicAnalysis = "0.3.6, 0.4"
 SymbolicUtils = "4.35"
 Symbolics = "7.28"