vim: Import v9.1.1263

* runtime(doc): update last change date for diff.txt
* runtime(doc): Update the tuple help text
* 9.1.1263: string length wrong in get_last_inserted_save()
* 9.1.1262: heap-buffer-overflow with narrow 'pummaxwidth' value
* 9.1.1261: No test for 'pummaxwidth' non-truncated items
* runtime(debversions): Add release name for Debian 15 - duke
* 9.1.1260: Hang when filtering buffer with NUL bytes
* runtime(odin): add new keywords to syntax script
* 9.1.1259: some issues with comment package and tailing spaces
* ci: Check and confirm Vim feature flags exist before testing

Author: github-actions[bot]

gitlog.txt

@@ -1 +1 @@
-* [runtime(java): Make changes for JDK 24 in syntax script](https://github.com/vim/vim/commit/1054b18291ce611932bc949b22b87b78f1975ca9)\n* [9.1.1258](https://github.com/vim/vim/commit/f2b16986a194ab839c5a23bd7fe904f9fae1526f): regexp: max \U and \%U value is limited by INT\_MAX\n* [9.1.1257](https://github.com/vim/vim/commit/90e52490b39f0052fb5313d67728eff77191aaae): Mixing vim\_strsize() with mb\_ptr2cells() in pum\_redraw()\n* [runtime(lf): add lf r34 keywords to syntax script](https://github.com/vim/vim/commit/0dc9a0bc60d469f52db064fc88ed9d8938fb5cc3)\n* [9.1.1256](https://github.com/vim/vim/commit/0980e41161eb5c4dc144f93f472e967f75916fe9): if\_python: duplicate tuple data entries
+* [runtime(doc): update last change date for diff.txt](https://github.com/vim/vim/commit/20393bc02dcbb14fd3238cd4ad5ef455e817e0c5)\n* [runtime(doc): Update the tuple help text](https://github.com/vim/vim/commit/1c2f475850d94da26d77dc3cd8c85620edda3dce)\n* [9.1.1263](https://github.com/vim/vim/commit/583f5aee96940c29ba17ffb87f1ddf56741b72ba): string length wrong in get\_last\_inserted\_save()\n* [9.1.1262](https://github.com/vim/vim/commit/f13c8561544dad4f82b7f4f71041d35f55b5feaa): heap-buffer-overflow with narrow 'pummaxwidth' value\n* [9.1.1261](https://github.com/vim/vim/commit/c6336acfe3e80904458d7ea735929b4c91346702): No test for 'pummaxwidth' non-truncated items\n* [runtime(debversions): Add release name for Debian 15 - duke](https://github.com/vim/vim/commit/649a237bc886a2b702e95d5d45f661d8db6025f8)\n* [9.1.1260](https://github.com/vim/vim/commit/53fed23cb7bd59d9400961b44c6c8dca0029c929): Hang when filtering buffer with NUL bytes\n* [runtime(odin): add new keywords to syntax script](https://github.com/vim/vim/commit/e9a369f9c3893846cb720905d171b6774b1d658b)\n* [9.1.1259](https://github.com/vim/vim/commit/a580761a452a3c4aea8af6d7efb1edc373d303b4): some issues with comment package and tailing spaces\n* [ci: Check and confirm Vim feature flags exist before testing](https://github.com/vim/vim/commit/bb8e5ddb970a6739a25746ea195a9c37e4fefd01)