patch 9.1.0245: filetype: zsh theme, history and zunit files are not recognized

Problem:  filetype: zsh theme, history and zunit files are not
          recognized.
Solution: Detect '.zsh_history', '*.zsh-theme' and '*.zunit' as zsh
          (Wu, Zhenyu)

closes: #14366

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 a1f7e22..f3cc939 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -828,8 +828,8 @@
     zimbu: ['file.zu'],
     zimbutempl: ['file.zut'],
     zserio: ['file.zs'],
-    zsh: ['.zprofile', '/etc/zprofile', '.zfbfmarks', 'file.zsh',
-          '.zcompdump', '.zlogin', '.zlogout', '.zshenv', '.zshrc',
+    zsh: ['.zprofile', '/etc/zprofile', '.zfbfmarks', 'file.zsh', 'file.zsh-theme', 'file.zunit',
+          '.zcompdump', '.zlogin', '.zlogout', '.zshenv', '.zshrc', '.zsh_history',
           '.zcompdump-file', '.zlog', '.zlog-file', '.zsh', '.zsh-file',
           'any/etc/zprofile', 'zlog', 'zlog-file', 'zsh', 'zsh-file'],
 
diff --git a/src/version.c b/src/version.c
index a6755ac..4908129 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    245,
+/**/
     244,
 /**/
     243,