patch 9.1.0289: filetype: some TeX files are not recognized

Problem:  filetype: some TeX files are not recognized
Solution: Add more patterns for TeX files and inspect
          a few more files for being TeX files
          (Wu, Zhenyu)

closes: #14456

Signed-off-by: Wu, Zhenyu <wuzhenyu@ustc.edu>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 19c8a2a..8417eae 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -735,7 +735,7 @@
     teraterm: ['file.ttl'],
     terminfo: ['file.ti'],
     'terraform-vars': ['file.tfvars'],
-    tex: ['file.latex', 'file.sty', 'file.dtx', 'file.ltx', 'file.bbl'],
+    tex: ['file.latex', 'file.sty', 'file.dtx', 'file.ltx', 'file.bbl', 'any/.texlive/texmf-config/tex/latex/file/file.cfg', 'file.pgf', 'file.nlo', 'file.nls', 'file.out', 'file.thm', 'file.eps_tex', 'file.pygtex', 'file.pygstyle', 'file.clo', 'file.aux', 'file.brf', 'file.ind', 'file.lof', 'file.loe', 'file.nav', 'file.vrb', 'file.ins', 'file.tikz', 'file.bbx', 'file.cbx', 'file.beamer'],
     texinfo: ['file.texinfo', 'file.texi', 'file.txi'],
     texmf: ['texmf.cnf'],
     text: ['file.text', 'file.txt', 'README', 'LICENSE', 'COPYING', 'AUTHORS', '/usr/share/doc/bash-completion/AUTHORS', '/etc/apt/apt.conf.d/README', '/etc/Muttrc.d/README'],
diff --git a/src/version.c b/src/version.c
index 44f9923..f1c52c5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    289,
+/**/
     288,
 /**/
     287,