vim: Import v8.2.3346

* 8.2.3346: Vim9: no error for using "." for concatenation after ":vim9cmd"
* Update runtime files
* 8.2.3345: some code not covered by tests
* 8.2.3344: vimscript test fails
* 8.2.3343: Vim9: autoload test fails
* 8.2.3342: test for :let errors fails
* 8.2.3341: Vim9: function call aborted despite try/catch

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.2.3340](https://github.com/vim/vim/commit/78a9c2e670d29349404b346e0aa90264cab19e9b): accessing uninitialized pointer\n* [8.2.3339](https://github.com/vim/vim/commit/aacc966c5d0ed91e33ed32b08f17cf4df3ca1394): Vim9: cannot lock a member in a local dict\n* [8.2.3338](https://github.com/vim/vim/commit/89071cb6a116a74f78f77a1853e6fada44872a15): Vim9: no type check when assigning a list range\n* [8.2.3337](https://github.com/vim/vim/commit/069f90852f1444cac50491c10dfbd339a3f9e0c8): completing "call g:" returns entries with just "g:"
+* [8.2.3346](https://github.com/vim/vim/commit/2596a4e763e11eb8e406f262cb72fd2b39461572): Vim9: no error for using "." for concatenation after ":vim9cmd"\n* [Update runtime files](https://github.com/vim/vim/commit/6aa57295cfbe8f21c15f0671e45fd53cf990d404)\n* [8.2.3345](https://github.com/vim/vim/commit/bfb2bb16bc69441fa3ec13caacb2c94637a8a0ec): some code not covered by tests\n* [8.2.3344](https://github.com/vim/vim/commit/d2e9ccee90d2b39f4c9fd6cec271ef3fafd76f09): vimscript test fails\n* [8.2.3343](https://github.com/vim/vim/commit/4830c211a47f39edcf1827ffd787306faf65c2a5): Vim9: autoload test fails\n* [8.2.3342](https://github.com/vim/vim/commit/b521766c56c0e17db6e8615f35cf21012af0670c): test for :let errors fails\n* [8.2.3341](https://github.com/vim/vim/commit/88c89c77229e725ab2613b022249e2f506d82b82): Vim9: function call aborted despite try/catch