vim: Import v8.2.4277

* 8.2.4277: Vim9: an import does not shadow a command modifier
* 8.2.4276: separate test function for the GUI scrollbar
* 8.2.4275: cannot use an autoload function from a package under start
* 8.2.4274: Basic and form filetype detection is incomplete
* Update runtime files
* 8.2.4273: the EBCDIC support is outdated
* 8.2.4272: Vim9 expr test fails without the channel feature
* 8.2.4271: MS-Windows: cannot build with Ruby 3.1.0
* 8.2.4270: generating nv_cmdidxs.h requires building Vim twice
* 8.2.4269: Coverity warns for using a NULL pointer
* 8.2.4268: CI log output is long
* 8.2.4267: unused entry in keymap enum

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.4266](https://github.com/vim/vim/commit/5703310e640c4b142a16a3ea4f45317565ae8c32): compiler warning for uninitialized variable\n* [8.2.4265](https://github.com/vim/vim/commit/6a058070924928f1b2bdb11f345229074904d8bd): autoload tests fails\n* [8.2.4264](https://github.com/vim/vim/commit/d8fe6d34bb582438142d7c1f73d0bd8537bb3a7a): Vim9: can use old style autoload function name\n* [8.2.4263](https://github.com/vim/vim/commit/ec3637cbaf23730b6efe5e5c0047e23adc82160b): no test for the GUI find/replace dialog\n* [8.2.4262](https://github.com/vim/vim/commit/44a4d947bbc2c5ddb2908346a7c61ef93b59a3ca): some search tests fail\n* [8.2.4261](https://github.com/vim/vim/commit/679d66c2d21dfe03d0f89b9a818b0aaebb4c3b87): accessing invalid memory in a regular expression\n* [8.2.4260](https://github.com/vim/vim/commit/848faddb870f3ba4d84fcacd1cccb5cdbbfd9c41): Vim9: can still use a global function without g:\n* [8.2.4259](https://github.com/vim/vim/commit/06011e1a55f32e47fe0af4bd449be6f0e3ff0814): number of test functions for GUI events is growing\n* [8.2.4258](https://github.com/vim/vim/commit/6970e1e36a1ecdb4d330d6ac9ca76f97fa515e36): Coverity warns for array overrun\n* [Update runtime files](https://github.com/vim/vim/commit/f10911e5db16f1fe6ab519c5d091ad0c1df0d063)
+* [8.2.4277](https://github.com/vim/vim/commit/68854a82fdedebf6ee0675d1abeae6fc627ff6bb): Vim9: an import does not shadow a command modifier\n* [8.2.4276](https://github.com/vim/vim/commit/9e0208f51cf1354ce0a7d3988133041a78681605): separate test function for the GUI scrollbar\n* [8.2.4275](https://github.com/vim/vim/commit/223a950a85448253780da4e821a5b23dcdfad28f): cannot use an autoload function from a package under start\n* [8.2.4274](https://github.com/vim/vim/commit/c570e9cf68c0fe30366e82c96be460047dd659b9): Basic and form filetype detection is incomplete\n* [Update runtime files](https://github.com/vim/vim/commit/c4573eb12dba6a062af28ee0b8938d1521934ce4)\n* [8.2.4273](https://github.com/vim/vim/commit/424bcae1fb0f69e0aef5e0cf84fd771cf34a0fb7): the EBCDIC support is outdated\n* [8.2.4272](https://github.com/vim/vim/commit/eb6c2765959c91ddbb527f96f91ba5be199b8d41): Vim9 expr test fails without the channel feature\n* [8.2.4271](https://github.com/vim/vim/commit/1f47a287ee4f8b1d007dff878b23dd0cd6104f38): MS-Windows: cannot build with Ruby 3.1.0\n* [8.2.4270](https://github.com/vim/vim/commit/672776dbe8427876ef4bfce84520712df87b6eb1): generating nv\_cmdidxs.h requires building Vim twice\n* [8.2.4269](https://github.com/vim/vim/commit/48a604845e33399893d6bf293e71bcd2a412800d): Coverity warns for using a NULL pointer\n* [8.2.4268](https://github.com/vim/vim/commit/44d1f89c241c611a0904dbbca784facfa13b7916): CI log output is long\n* [8.2.4267](https://github.com/vim/vim/commit/4c93aff20f228d0dfca11f4793eb2c8895d4984c): unused entry in keymap enum