vim: Import v8.2.4747

* 8.2.4747: no filetype override for .sys files
* 8.2.4746: supercollider filetype not recognized
* 8.2.4745: using wrong flag for using bell in the terminal
* 8.2.4744: a terminal window can't use the bell

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.4743](https://github.com/vim/vim/commit/9bbe5c6b8c44e08c90510c36596d13e54ca0eea4): clang 14 is available on CI\n* [8.2.4742](https://github.com/vim/vim/commit/c9a9a0ac1ec3b985d38c01ddf9f0ba2f15386f34): there is no way to start logging very early in startup\n* [8.2.4741](https://github.com/vim/vim/commit/60895f3e36def9beb7d5463e792e5154ad9a7a0a): startup test fails\n* [8.2.4740](https://github.com/vim/vim/commit/575445200bd35283191ecd7a0d596b37c5b477a4): when expand() fails there is no error message\n* [8.2.4739](https://github.com/vim/vim/commit/d58862d18f091d3c14fa3647e724ef7eea1ecefa): accessing freed memory after WinScrolled autocmd event
+* [8.2.4747](https://github.com/vim/vim/commit/f420ff2440a009acd9573fdb6ad6d53509d78009): no filetype override for .sys files\n* [8.2.4746](https://github.com/vim/vim/commit/8cac20ed42b7b7fc9c6b54e3055ca1047f50b8ca): supercollider filetype not recognized\n* [8.2.4745](https://github.com/vim/vim/commit/aae9762b2cbcae8dea454e1701d00ea0f614175e): using wrong flag for using bell in the terminal\n* [8.2.4744](https://github.com/vim/vim/commit/77771d33f44bfb9f75eb857bd2f2bb4c2860cac3): a terminal window can't use the bell