Update changelogs from fern repo (#3504)

Co-authored-by: iamnamananand996 <31537362+iamnamananand996@users.noreply.github.com>

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-02-05.mdx

@@ -1,3 +1,7 @@
+## 3.64.5
+**`(fix):`** Add support for legacy generator names (`fernapi/java-model`, `fernapi/fern-typescript`) used in older IR version configurations.
+
+
 ## 3.64.4
 **`(fix):`** Fix additionalProperties in examples being lost when a schema defines `additionalProperties: true`. Previously, additional properties in examples were set to undefined during conversion, causing them to be stripped from the output. Now the actual values from the example are preserved.