vim: Import v8.2.3336

* 8.2.3336: behavior of negative index in list change changed
* 8.2.3335: Vim9: not enough tests run with Vim9
* 8.2.3334: Vim9: not enough tests run with Vim9
* 8.2.3333: Vim9: not enough tests run with Vim9

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.3332](https://github.com/vim/vim/commit/4f0884d6e24d1d45ec83fd86b372b403177d3298): Vim9: cannot assign to range in list\n* [8.2.3331](https://github.com/vim/vim/commit/ed7cb2df35244e40e5c4df06169b50e705427576): Coverity warns for using value without boundary check\n* [8.2.3330](https://github.com/vim/vim/commit/7deb4115ef72c0468cd6f9cc5f036d5c405641d4): Coverity reports using uninitialized field\n* [8.2.3329](https://github.com/vim/vim/commit/16e63e6d353c8b7337470644ceac02dc5e569db9): v\_lock not set when getting value of environment variable\n* [8.2.3328](https://github.com/vim/vim/commit/b85d3627d9a7b41d603c58a16d0ddbf6b88beeaf): Coverity error for not checking return value\n* [8.2.3327](https://github.com/vim/vim/commit/ba9c23e77655766f6c59de8be732b7577f795ed3): no check for sysconf() failing
+* [8.2.3336](https://github.com/vim/vim/commit/92f05f21afdb8a43581554a252cb2fc050f9e03b): behavior of negative index in list change changed\n* [8.2.3335](https://github.com/vim/vim/commit/ef98257593a0abf1300d0f70358dc45a70a62580): Vim9: not enough tests run with Vim9\n* [8.2.3334](https://github.com/vim/vim/commit/bd77aa92744d79f3ba69aee713739ec17da474f6): Vim9: not enough tests run with Vim9\n* [8.2.3333](https://github.com/vim/vim/commit/3e9c0b9608736e7d888f3141443f8754143364d7): Vim9: not enough tests run with Vim9