chore: updating lets-plot links (#4641)

Author: daniCsorbaJB

docs/topics/data-analysis/data-analysis-libraries.md

@@ -111,7 +111,7 @@ or Java libraries when working on [Kotlin data projects](data-analysis-overview.
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-      <a href="https://github.com/JetBrains/lets-plot"><strong>Lets-Plot</strong></a>
+      <a href="https://lets-plot.org/kotlin/get-started.html"><strong>Lets-Plot</strong></a>
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