Update changelogs from fern repo (#3510)

Author: fern-support

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

@@ -1,3 +1,7 @@
+## 3.65.0
+**`(feat):`** Add `--generator` option to `fern generate` to run a specific generator by name. Filters within the resolved group (from `--group` or `default-group`) to only run the specified generator.
+
+
 ## 3.64.6
 **`(fix):`** Fix `fern generator upgrade` failing when encountering unrecognized generator names. Previously, an unrecognized generator (e.g. `fernapi/java-model`) would block the entire upgrade process. Now unrecognized generators are skipped with a warning, allowing the remaining generators to be upgraded. Also adds support for the `java-model` legacy generator name alias.