vim: Import v8.2.3598

* 8.2.3598: RouterOS filetype is not recognized
* 8.2.3597: Vim seems to hang when writing a long text to a terminal
* 8.2.3596: crash when using :pedit in Vim9 script

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.3595](https://github.com/vim/vim/commit/0d5a12ea041c112b06b1aafde38846ae4cff8f4c): check for signed overflow might not work everywhere\n* [8.2.3594](https://github.com/vim/vim/commit/786e05beb5bf4a50cffacd0968f1409aa6af3c6b): xxd code is a bit difficult to understand\n* [8.2.3593](https://github.com/vim/vim/commit/7f13b24ab6aca808262e68680d8fe5f082670ebd): directory is wrong after executing "lcd" with win\_execute()
+* [8.2.3598](https://github.com/vim/vim/commit/0818ab82e7058145366ebbe759f0b3f74724bdfd): RouterOS filetype is not recognized\n* [8.2.3597](https://github.com/vim/vim/commit/36968af1558b295b5fdf56973d5dcc75fce85658): Vim seems to hang when writing a long text to a terminal\n* [8.2.3596](https://github.com/vim/vim/commit/733b124a9098d5e2f028fd2e12012b831c9e9024): crash when using :pedit in Vim9 script