vim: Import v9.1.1076

* 9.1.1076: vim_strnchr() is strange and unnecessary
* 9.1.1075: Vim9: len variable not used in compile_load()
* runtime(vim): Update base-syntax, match :debuggreedy count prefix
* 9.1.1074: Strange error when heredoc marker starts with "trim"
* 9.1.1073: tests: test_compiler fails on Windows without Maven
* 9.1.1072: 'diffopt' "linematch" cannot be used with {n} less than 10

Author: github-actions[bot]

gitlog.txt

@@ -1 +1 @@
-* [runtime(vim): Update base-syntax, match :debuggreedy count prefix](https://github.com/vim/vim/commit/4a530a632bb220b9aec827a12ab211a563c5583d)\n* [9.1.1074](https://github.com/vim/vim/commit/449c2e5454735fe1cfc8c21b2c6880d6bdf4cd6e): Strange error when heredoc marker starts with "trim"\n* [9.1.1073](https://github.com/vim/vim/commit/23da16d3d023a20565dc29128208e6cb095231d9): tests: test\_compiler fails on Windows without Maven\n* [9.1.1072](https://github.com/vim/vim/commit/ccd7f454fcac2f99085d4f50e79c111c02741166): 'diffopt' "linematch" cannot be used with {n} less than 10
+* [9.1.1076](https://github.com/vim/vim/commit/34e1e8de91ff4a8922d454e3147ea425784aa0a0): vim\_strnchr() is strange and unnecessary\n* [9.1.1075](https://github.com/vim/vim/commit/f7cb9f9280c675537a1536864d58e32adf35d344): Vim9: len variable not used in compile\_load()\n* [runtime(vim): Update base-syntax, match :debuggreedy count prefix](https://github.com/vim/vim/commit/4a530a632bb220b9aec827a12ab211a563c5583d)\n* [9.1.1074](https://github.com/vim/vim/commit/449c2e5454735fe1cfc8c21b2c6880d6bdf4cd6e): Strange error when heredoc marker starts with "trim"\n* [9.1.1073](https://github.com/vim/vim/commit/23da16d3d023a20565dc29128208e6cb095231d9): tests: test\_compiler fails on Windows without Maven\n* [9.1.1072](https://github.com/vim/vim/commit/ccd7f454fcac2f99085d4f50e79c111c02741166): 'diffopt' "linematch" cannot be used with {n} less than 10