vim-patch:9.1.2007: filetype: bpftrace hashbang lines are not recognized

Problem:    bpftrace files are not recognized from the hashbang line.
Solution:   Add a hashbang check (Stanislaw Gruszka)

closes: vim/vim#18992

f2814754c0

Co-authored-by: Stanislaw Gruszka <stf_xl@wp.pl>

runtime/lua/vim/filetype/detect.lua

@@ -2040,6 +2040,7 @@ local patterns_hashbang = {
   ['^janet\\>'] = { 'janet', { vim_regex = true } },
   ['^dart\\>'] = { 'dart', { vim_regex = true } },
   ['^execlineb\\>'] = { 'execline', { vim_regex = true } },
+  ['^bpftrace\\>'] = { 'bpftrace', { vim_regex = true } },
   ['^vim\\>'] = { 'vim', { vim_regex = true } },
 }
 

test/old/testdir/test_filetype.vim

@@ -1089,6 +1089,7 @@ func s:GetScriptChecks() abort
       \          ['#!/path/regina']],
       \ 'janet':  [['#!/path/janet']],
       \ 'dart':   [['#!/path/dart']],
+      \ 'bpftrace':  [['#!/path/bpftrace']],
       \ 'vim':   [['#!/path/vim']],
       \ }
 endfunc