vim-patch:9.0.0599: latexmkrc files are not recognized

Problem:    Latexmkrc files are not recognized.
Solution:   Use Perl filetype for latexmkrc files. (closes vim/vim#11241)
cde0319385

runtime/filetype.vim

@@ -1027,6 +1027,9 @@ au BufNewFile,BufRead Kconfig,Kconfig.debug	setf kconfig
 " Lace (ISE)
 au BufNewFile,BufRead *.ace,*.ACE		setf lace
 
+" Latexmkrc
+au BufNewFile,BufRead .latexmkrc,latexmkrc	setf perl
+
 " Latte
 au BufNewFile,BufRead *.latte,*.lte		setf latte
 

runtime/lua/vim/filetype.lua

@@ -1496,6 +1496,8 @@ local filename = {
   ['/etc/shadow-'] = 'passwd',
   ['/etc/shadow'] = 'passwd',
   ['/etc/passwd.edit'] = 'passwd',
+  ['latexmkrc'] = 'perl',
+  ['.latexmkrc'] = 'perl',
   ['pf.conf'] = 'pf',
   ['main.cf'] = 'pfmain',
   pinerc = 'pine',

src/nvim/testdir/test_filetype.vim

@@ -412,7 +412,7 @@ let s:filename_checks = {
     \ 'pccts': ['file.g'],
     \ 'pcmk': ['file.pcmk'],
     \ 'pdf': ['file.pdf'],
-    \ 'perl': ['file.plx', 'file.al', 'file.psgi', 'gitolite.rc', '.gitolite.rc', 'example.gitolite.rc'],
+    \ 'perl': ['file.plx', 'file.al', 'file.psgi', 'gitolite.rc', '.gitolite.rc', 'example.gitolite.rc', '.latexmkrc', 'latexmkrc'],
     \ 'pf': ['pf.conf'],
     \ 'pfmain': ['main.cf'],
     \ 'php': ['file.php', 'file.php9', 'file.phtml', 'file.ctp', 'file.phpt', 'file.theme'],