SUSYTools: add ParticleJetTools dependence

Sara Alderweireldtrequested to merge
salderwe/athena:ST/PJT_dependence into 21.2

Since we added JetTruthLabelingTool in !32422 (merged), the list of dependencies should include ParticleJetTools.
The nightly build seems fine without, but e.g. building SimpleAnalysis breaks.

Tagging: @alopezso

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