Update DecisionFocusedLearningBenchmarks requirement to 0.6.1 in /docs

Updates the requirements on [DecisionFocusedLearningBenchmarks](https://github.com/JuliaDecisionFocusedLearning/DecisionFocusedLearningBenchmarks.jl) to permit the latest version.
- [Release notes](https://github.com/JuliaDecisionFocusedLearning/DecisionFocusedLearningBenchmarks.jl/releases)
- [Commits](JuliaDecisionFocusedLearning/DecisionFocusedLearningBenchmarks.jl@v0.1.0...v0.6.1)

---
updated-dependencies:
- dependency-name: DecisionFocusedLearningBenchmarks
  dependency-version: 0.6.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs/Project.toml

@@ -9,6 +9,7 @@ Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 
 [compat]
 DecisionFocusedLearningAlgorithms = "0.2.0"
+DecisionFocusedLearningBenchmarks = "0.6.1"
 Documenter = "1.17.0"
 Flux = "0.16.10"
 MLUtils = "0.4.9"