There isn't one single universally known "Ensoniq TS-10 VST," but rather several Kontakt libraries that have been created to capture its sound. Here are the most relevant ones found in your search:
Since Native Instruments Kontakt is the industry standard for sampling, top sound designers have meticulously sampled the TS-10. Here are the best updated Kontakt instruments available right now: 1. Digitalminds / Vintage Synth Emulations (UPD Editions) ensoniq ts10 vst for kontakt upd
If your library is licensed for the Kontakt Player, use Native Access to enter your serial and download the latest update files. There isn't one single universally known "Ensoniq TS-10
To make your virtual TS10 sound even closer to the original hardware output: ensoniq ts10 vst for kontakt upd