vim: Import v8.2.4956

* 8.2.4956: reading past end of line with "gf" in Visual block mode
* 8.2.4955: text property in wrong position after auto-indent
* 8.2.4954: inserting line breaks text property spanning two lines
* Update runtime files, new color schemes
* 8.2.4953: with 'si' inserting '}' after completion goes wrong
* 8.2.4952: GUI test will fail if color scheme changes
* 8.2.4951: smart indenting done when not enabled

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.4950](https://github.com/vim/vim/commit/4b93674159d60c985de906c30f45dbaf2b64056f): text properties position wrong after shifting text\n* [8.2.4949](https://github.com/vim/vim/commit/31ad32a325cc31f0f2bdd530c68bfb856a2187c5): Vim9: some code not covered by tests\n* [8.2.4948](https://github.com/vim/vim/commit/d881d1598467d88808bafd2fa86982ebbca7dcc1): cannot use Perl heredoc in nested :def function\n* [8.2.4947](https://github.com/vim/vim/commit/b7a701255578b38896631ba20556b856e8888069): text properties not adjusted when accepting spell suggestion
+* [8.2.4956](https://github.com/vim/vim/commit/395bd1f6d3edc9f7edb5d1f2d7deaf5a9e3ab93c): reading past end of line with "gf" in Visual block mode\n* [8.2.4955](https://github.com/vim/vim/commit/788c06a2492b546dd0824b119251cd8ea7da9cb5): text property in wrong position after auto-indent\n* [8.2.4954](https://github.com/vim/vim/commit/698cb4c8fa16a4dbe4830648532c09d7e5c89095): inserting line breaks text property spanning two lines\n* [Update runtime files, new color schemes](https://github.com/vim/vim/commit/30ab04e16e1e9e6133590181197b3f8e70cb495e)\n* [8.2.4953](https://github.com/vim/vim/commit/2e444bbef0f36535bf941f007f2961f3f66bbe87): with 'si' inserting '}' after completion goes wrong\n* [8.2.4952](https://github.com/vim/vim/commit/98feacedf9c03b8db79da03508a2c3c25dac3e53): GUI test will fail if color scheme changes\n* [8.2.4951](https://github.com/vim/vim/commit/de5cf287812510d2c8ffe66b99cf33c4e1a6e6f1): smart indenting done when not enabled