patch 9.1.0295: filetype: pip config files are not recognized

Problem:  filetype: pip config files are not recognized
Solution: detect pip.conf as dosini filetype
          (Wu, Zhenyu)

closes: #14448

Signed-off-by: Wu, Zhenyu <wuzhenyu@ustc.edu>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -531,9 +531,9 @@ au BufNewFile,BufRead m3makefile,m3overrides	setf m3build
 " XDG mimeapps.list
 au BufNewFile,BufRead mimeapps.list	setf dosini
 
-" Many Python tools use dosini as their config, like setuptools, pudb, coverage
+" Many Python tools use dosini as their config, like pip, setuptools, pudb, coverage
 " (must be before *.cfg)
-au BufNewFile,BufRead setup.cfg,pudb.cfg,.coveragerc	setf dosini
+au BufNewFile,BufRead pip.conf,setup.cfg,pudb.cfg,.coveragerc	setf dosini
 
 " LXQt's programs use dosini as their config
 au BufNewFile,BufRead */{lxqt,screengrab}/*.conf	setf dosini

src/testdir/test_filetype.vim

@@ -210,7 +210,7 @@ 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', 'ja2.ini', 'JA2.INI', 'mimeapps.list', 'setup.cfg', 'pudb.cfg', '.coveragerc', 'psprint.conf', 'sofficerc', 'any/.config/lxqt/globalkeyshortcuts.conf', 'any/.config/screengrab/screengrab.conf'],
+    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', 'mimeapps.list', 'pip.conf', 'setup.cfg', 'pudb.cfg', '.coveragerc', 'psprint.conf', 'sofficerc', 'any/.config/lxqt/globalkeyshortcuts.conf', 'any/.config/screengrab/screengrab.conf'],
     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 */
+/**/
+    295,
 /**/
     294,
 /**/