patch 9.0.2011: INI files not detected

Problem:  INI files not detected
Solution: detect uppercase .INI as dosini files

It previo~1 only worked for lower-case .ini files, but upperc~1 .INI is
also somewhat common on account of DOS' old 8.3 upperc~2 only filena~1.

closes: #13316

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Martin Tournoij <martin@arp242.net>

runtime/filetype.vim

@@ -1013,7 +1013,7 @@ au BufNewFile,BufRead ipf.conf,ipf6.conf,ipf.rules	setf ipfilter
 au BufNewFile,BufRead *.4gl,*.4gh,*.m4gl	setf fgl
 
 " .INI file for MSDOS
-au BufNewFile,BufRead *.ini			setf dosini
+au BufNewFile,BufRead *.ini,*.INI		setf dosini
 
 " SysV Inittab
 au BufNewFile,BufRead inittab			setf inittab

src/testdir/test_filetype.vim

@@ -206,7 +206,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     dnsmasq: ['/etc/dnsmasq.conf', '/etc/dnsmasq.d/file', 'any/etc/dnsmasq.conf', 'any/etc/dnsmasq.d/file'],
     dockerfile: ['Containerfile', 'Dockerfile', 'dockerfile', 'file.Dockerfile', 'file.dockerfile', 'Dockerfile.debian', 'Containerfile.something'],
     dosbatch: ['file.bat'],
-    dosini: ['/etc/yum.conf', 'file.ini', 'npmrc', '.npmrc', 'php.ini', 'php.ini-5', 'php.ini-file', '/etc/yum.repos.d/file', 'any/etc/yum.conf', 'any/etc/yum.repos.d/file', 'file.wrap', 'file.vbp'],
+    dosini: ['/etc/yum.conf', 'file.ini', 'npmrc', '.npmrc', 'php.ini', 'php.ini-5', 'php.ini-file', '/etc/yum.repos.d/file', 'any/etc/yum.conf', 'any/etc/yum.repos.d/file', 'file.wrap', 'file.vbp', 'ja2.ini', 'JA2.INI'],
     dot: ['file.dot', 'file.gv'],
     dracula: ['file.drac', 'file.drc', 'filelvs', 'filelpe', 'drac.file', 'lpe', 'lvs', 'some-lpe', 'some-lvs'],
     dtd: ['file.dtd'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2011,
 /**/
     2010,
 /**/