patch 9.1.0969: ghostty not using kitty protocol by default

Problem:  ghostty not using kitty protocol by default (00-kat)
Solution: update keyprotocol option default and include ghostty

fixes: #16318
closes: #16323

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/optiondefs.h b/src/optiondefs.h
index 2d01897..f9b7eae 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -1514,7 +1514,7 @@
 			    {(char_u *)"", (char_u *)0L} SCTX_INIT},
     {"keyprotocol", "kpc",  P_STRING|P_VI_DEF|P_ONECOMMA|P_NODUP|P_COLON,
 			    (char_u *)&p_kpc, PV_NONE, did_set_keyprotocol, expand_set_keyprotocol,
-			    {(char_u *)"kitty:kitty,foot:kitty,wezterm:kitty,xterm:mok2", (char_u *)0L}
+			    {(char_u *)"kitty:kitty,foot:kitty,ghostty:kitty,wezterm:kitty,xterm:mok2", (char_u *)0L}
 			    SCTX_INIT},
     {"keywordprg",  "kp",   P_STRING|P_EXPAND|P_VI_DEF|P_SECURE,
 			    (char_u *)&p_kp, PV_KP, NULL, NULL,
diff --git a/src/testdir/test_options.vim b/src/testdir/test_options.vim
index 34efbb5..24bdc42 100644
--- a/src/testdir/test_options.vim
+++ b/src/testdir/test_options.vim
@@ -596,6 +596,8 @@
   call assert_equal([&keyprotocol], getcompletion('set keyprotocol=', 'cmdline'))
   call feedkeys(":set keyprotocol+=someterm:m\<Tab>\<C-B>\"\<CR>", 'xt')
   call assert_equal('"set keyprotocol+=someterm:mok2', @:)
+  call feedkeys(":set keyprotocol+=someterm:k\<Tab>\<C-B>\"\<CR>", 'xt')
+  call assert_equal('"set keyprotocol+=someterm:kitty', @:)
   set keyprotocol&
 
   " previewpopup / completepopup
@@ -2860,4 +2862,9 @@
   set w9600=23
 endfunc
 
+func Test_default_keyprotocol()
+  " default value of keyprotocol
+  call assert_equal('kitty:kitty,foot:kitty,ghostty:kitty,wezterm:kitty,xterm:mok2', &keyprotocol)
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index e23a757..0bbe089 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    969,
+/**/
     968,
 /**/
     967,