Update JET requirement to 0.11.5 in /test

Updates the requirements on [JET](https://github.com/aviatesk/JET.jl) to permit the latest version.
- [Release notes](https://github.com/aviatesk/JET.jl/releases)
- [Changelog](https://github.com/aviatesk/JET.jl/blob/master/CHANGELOG.md)
- [Commits](aviatesk/JET.jl@v0.0.1...v0.11.5)

---
updated-dependencies:
- dependency-name: JET
  dependency-version: 0.11.5
  dependency-type: direct:production
...

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Author: dependabot[bot]

test/Project.toml

@@ -19,6 +19,7 @@ DecisionFocusedLearningAlgorithms = "0.2.3"
 DecisionFocusedLearningBenchmarks = "0.6.1"
 Documenter = "1"
 InferOpt = "0.7.2"
+JET = "0.11.5"
 MLUtils = "0.4"
 Test = "1"
 ValueHistories = "0.5"