patch 8.2.2106: TOML files are not recognized

Problem:    TOML files are not recognized.
Solution:   Match *.toml. (issue #7432)

runtime/filetype.vim

@@ -1742,6 +1742,9 @@ au BufNewFile,BufRead *.tf,.tfrc,tfrc		setf tf
 " tmux configuration
 au BufNewFile,BufRead {.,}tmux*.conf		setf tmux
 
+" TOML
+au BufNewFile,BufRead *.toml			setf toml
+
 " TPP - Text Presentation Program
 au BufNewFile,BufReadPost *.tpp			setf tpp
 

src/testdir/test_filetype.vim

@@ -479,6 +479,7 @@ let s:filename_checks = {
     \ 'tilde': ['file.t.html'],
     \ 'tli': ['file.tli'],
     \ 'tmux': ['tmuxfile.conf', '.tmuxfile.conf', '.tmux-file.conf', '.tmux.conf', 'tmux-file.conf', 'tmux.conf'],
+    \ 'toml': ['file.toml'],
     \ 'tpp': ['file.tpp'],
     \ 'treetop': ['file.treetop'],
     \ 'trustees': ['trustees.conf'],

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2106,
 /**/
     2105,
 /**/