docs: cherrypick changelog for 20.3.0 release

atscott · atscott · commit da040ab26973 · 2025-10-15T14:47:45.000-07:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 20.3.0
+
+This release upgrades `@angular/language-service` to v20.3.5.
+
 # 20.2.2
 
 This release upgrades `@angular/language-service` to v20.2.0-rc.1.
