vim-patch:9.0.0049: csv and tsv files are not recognized (#19300)

Problem:    Csv and tsv files are not recognized.
Solution:   Add patterns fo csv and tsv files. (Leandro Lourenci,
            closes vim/vim#10680)
99af91e582

runtime/lua/vim/filetype.lua

@@ -259,6 +259,7 @@ local extension = {
   fdr = 'csp',
   csp = 'csp',
   css = 'css',
+  csv = 'csv',
   con = 'cterm',
   feature = 'cucumber',
   cuh = 'cuda',
@@ -974,6 +975,7 @@ local extension = {
   tsscl = 'tsscl',
   tssgm = 'tssgm',
   tssop = 'tssop',
+  tsv = 'tsv',
   tutor = 'tutor',
   twig = 'twig',
   ts = function(path, bufnr)