vim: Import v9.1.1538

* translation(ru): Update messages translation
* tests: string options in gen_opt_test.vim not fully sorted

Author: github-actions[bot]

gitlog.txt

@@ -1 +1 @@
-* [check.vim: detect trailing whitespace](https://github.com/vim/vim/commit/41adebe5727fd82347ab8d0c26713f5714616b48)\n* [runtime(help\_ru): Update help\_ru syntax script](https://github.com/vim/vim/commit/87406c33c7e073e0f33b2dd79dacda5ef4e4e238)\n* [runtime(vim): Update base syntax, improve function call highlighting](https://github.com/vim/vim/commit/6ac2e4aa0a565dc8cac73b33c9c099cea77212a8)\n* [9.1.1537](https://github.com/vim/vim/commit/ea528a94825280ae35328a3f819845d5643cf351): helptoc: still some issues when markdown code blocks\n* [9.1.1536](https://github.com/vim/vim/commit/48d7f5b5a38b3d046f092adca33d047c2bd39eb1): tests: test\_plugin\_comment uses wrong :Check command\n* [9.1.1535](https://github.com/vim/vim/commit/b7b7fa04bf79f2f13ed6e789b76262753da31dde): the maximum search count uses hard-coded value 99\n* [9.1.1534](https://github.com/vim/vim/commit/bda2e4eb1638ecf357438a83741137ece7286175): unnecessary code in tabpanel.c
+* [translation(ru): Update messages translation](https://github.com/vim/vim/commit/68ee1cf7de36bdd6e642807c8beda751112aaab8)\n* [tests: string options in gen\_opt\_test.vim not fully sorted](https://github.com/vim/vim/commit/7306e8fcdb6fd17276b6aafb23a522cefecb5857)