vim: Import v9.0.0891

* 9.0.0891: virtual text below after match has wrong highlight
* 9.0.0890: no test for what patch 9.0.0827 fixes
* 9.0.0889: keycode check script has a few flaws
* 9.0.0888: MS-Windows GUI: CTRL-] does not work on Swiss keyboard

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [9.0.0887](https://github.com/vim/vim/commit/a44c7811ff1c5519ac9acd6a34c58c98366f5c5f): cannot easily try out what codes various keys produce\n* [9.0.0886](https://github.com/vim/vim/commit/44c2209352d56d70b1fc0215e81f1822d55aa563): horizontal mouse scroll only works in the GUI\n* [9.0.0885](https://github.com/vim/vim/commit/b53a190e9f8a767bbd4be2f538649a09f9c8ba4b): informational message has an error message number\n* [9.0.0884](https://github.com/vim/vim/commit/cdeb65729d96c90320b9009e583ade305c396f29): mouse shape remains in op-pending mode after failed change
+* [9.0.0891](https://github.com/vim/vim/commit/fc1b2d0961ad963e6337c25efe082f4c526aca5e): virtual text below after match has wrong highlight\n* [9.0.0890](https://github.com/vim/vim/commit/1573e73f1c743d6792de8ee4b6f5b99545ebd3fb): no test for what patch 9.0.0827 fixes\n* [9.0.0889](https://github.com/vim/vim/commit/8303035d670a50e39a0c099f159ce450d6e1a14e): keycode check script has a few flaws\n* [9.0.0888](https://github.com/vim/vim/commit/f10952e8c0b94bae58742f147d6779998d189892): MS-Windows GUI: CTRL-\] does not work on Swiss keyboard