Correct CTP 2.1 release date

Author: rwestMSFT

docs/sql-server/sql-server-2025-release-notes.md

@@ -65,7 +65,7 @@ Large object (LOB) data types in the Database Engine can store data that exceeds
 
 | Build | Version number | Date |
 | --- | --- | --- |
-| Preview (CTP 2.1) | 17.0.800.3 | June 21, 2025 |
+| Preview (CTP 2.1) | 17.0.800.3 | June 16, 2025 |
 | Preview (CTP 2.0) | 17.0.700.9 | May 19, 2025 |
 
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