vim-patch:9.0.1408: QMLdir files are not recognized

Problem:    QMLdir files are not recognized.
Solution:   Add a pattern for QMLdir files. (Amaan Qureshi, closes vim/vim#12161)

1505bef5c4

Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>

runtime/lua/vim/filetype.lua

@@ -1593,6 +1593,7 @@ local filename = {
   ['.pythonstartup'] = 'python',
   ['.pythonrc'] = 'python',
   SConstruct = 'python',
+  qmldir = 'qmldir',
   ['.Rprofile'] = 'r',
   ['Rprofile'] = 'r',
   ['Rprofile.site'] = 'r',

test/old/testdir/test_filetype.vim

@@ -472,6 +472,7 @@ let s:filename_checks = {
     \ 'pyrex': ['file.pyx', 'file.pxd'],
     \ 'python': ['file.py', 'file.pyw', '.pythonstartup', '.pythonrc', 'file.ptl', 'file.pyi', 'SConstruct'],
     \ 'ql': ['file.ql', 'file.qll'],
+    \ 'qmldir': ['qmldir'],
     \ 'quake': ['anybaseq2/file.cfg', 'anyid1/file.cfg', 'quake3/file.cfg', 'baseq2/file.cfg', 'id1/file.cfg', 'quake1/file.cfg', 'some-baseq2/file.cfg', 'some-id1/file.cfg', 'some-quake1/file.cfg'],
     \ 'quarto': ['file.qmd'],
     \ 'r': ['file.r', '.Rprofile', 'Rprofile', 'Rprofile.site'],