patch 9.1.1420: tests: could need some more tests for shebang lines

Problem:  tests: could need some more tests for shebang lines
Solution: add more shebang patterns to test_filetype.vim
          (Eisuke Kawashima)

closes: #17409

Signed-off-by: Eisuke Kawashima <e-kwsm@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 7cac3d0..2b6e436 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -1075,9 +1075,14 @@
     perl: [['#!/usr/bin/env VAR=val perl']],
     scala: [['#!/usr/bin/env VAR=val VVAR=vval scala']],
     awk: [['#!/usr/bin/env --split-string=VAR= awk -vFS="," -f']],
+    ruby: [['#!/usr/bin/env --split-string=ruby --debug']],
+    sed: [['#!/usr/bin/env -iS sed -f']],
+    zsh: [['#!/usr/bin/env -iS VAR=val zsh -l']],
     execline: [['#!/usr/bin/env execlineb']],
     scheme: [['#!/usr/bin/env VAR=val --ignore-environment scheme']],
+    sh: [['#!/usr/bin/env -S --ignore-environment VAR= sh -u']],
     python: [['#!/usr/bin/env -S -i VAR=val python -B -u']],
+    csh: [['#!/usr/bin/env -S VAR= csh -f']],
     wml: [['#!/usr/bin/env VAR=val --split-string wml']],
     nix: [['#!/usr/bin/env nix-shell']],
   }
diff --git a/src/version.c b/src/version.c
index 6c7a2ab..2316def 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1420,
+/**/
     1419,
 /**/
     1418,