update changelog

Author: giladreti

CHANGELOG.md

@@ -104,6 +104,7 @@ The table below shows which release corresponds to each branch, and what date th
 - [#2615][2615] tube/process: Fix redirecting stderr to stdout on Windows
 - [#2639][2639] ROP: Remove stdout and argv workaround in ROPgadget invocation
 - [#2630][2630] support `preexec_fn` in `debug()`
+- [#2641][2641] support preexec_args in process
 
 [2638]: https://github.com/Gallopsled/pwntools/pull/2638
 [2598]: https://github.com/Gallopsled/pwntools/pull/2598
@@ -134,6 +135,7 @@ The table below shows which release corresponds to each branch, and what date th
 [2615]: https://github.com/Gallopsled/pwntools/pull/2615
 [2639]: https://github.com/Gallopsled/pwntools/pull/2639
 [2630]: https://github.com/Gallopsled/pwntools/pull/2630
+[2641]: https://github.com/Gallopsled/pwntools/pull/2641
 
 ## 4.15.0 (`stable`)