chore(dynamic-sampling): point out that dynamic sampling does not apply to errors (#13735)

Author: shellmayr

docs/organization/dynamic-sampling/index.mdx

@@ -22,6 +22,9 @@ description: "Learn how to prioritize important events and increase visibility i
 Projects that generate large event volume can quickly consume your billing quota. This may create an imbalance where high-volume projects get more visibility, leaving insufficient quota for monitoring your other projects. That's where dynamic sampling comes in.
 
 Dynamic Sampling employs advanced sampling techniques to retain a representative sample of the data you send to Sentry. Its algorithms are designed to prioritize keeping samples that are valuable for debugging and analysis, while reducing the retention of common or redundant data.
+<Alert>
+Dynamic sampling only applies to spans and transactions, not errors.
+</Alert>
 
 There are two available flavors of dynamic sampling, depending on the plan type of your organization:
 - **Dynamic Sampling with Sampling Priorities** - available on selected Team, Business & Enterprise plans\