Update release notes wrt #1473 fix

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -498,3 +498,9 @@ Fawzi Essam (@iifawzi)
 
 Ilenia Salvadori (@isalvadori)
  * Requested #1421: Make `JsonReadContext` non-final
+  (2.19.0)
+
+Vitor Pamplona (@vitorpamplona)
+ * Contributed fix for #1473: Bug with Surrogates + Segments in the `UTF8JsonGenerator`
+  (2.20.1)
+

release-notes/VERSION-2.x

@@ -14,6 +14,11 @@ a pure JSON library.
 === Releases ===
 ------------------------------------------------------------------------
 
+2.20.1 (not yet released)
+
+#1473: Bug with Surrogates + Segments in the `UTF8JsonGenerator`
+ (fix contributed by Vitor P)
+
 2.20.0 (28-Aug-2025)
 
 #1438: `ParserBase.close()` does not clear `_currToken`