Update runtime files

runtime/pack/dist/opt/termdebug/plugin/termdebug.vim

@@ -98,6 +98,10 @@ call s:Highlight(1, '', &background)
 hi default debugBreakpoint term=reverse ctermbg=red guibg=red
 hi default debugBreakpointDisabled term=reverse ctermbg=gray guibg=gray
 
+func s:GetCommand()
+  return type(g:termdebugger) == v:t_list ? copy(g:termdebugger) : [g:termdebugger]
+endfunc
+
 func s:StartDebug(bang, ...)
   " First argument is the command to debug, second core file or process ID.
   call s:StartDebug_internal({'gdb_args': a:000, 'bang': a:bang})
@@ -113,8 +117,9 @@ func s:StartDebug_internal(dict)
     echoerr 'Terminal debugger already running, cannot run two'
     return
   endif
-  if !executable(g:termdebugger)
-    echoerr 'Cannot execute debugger program "' .. g:termdebugger .. '"'
+  let gdbcmd = s:GetCommand()
+  if !executable(gdbcmd[0])
+    echoerr 'Cannot execute debugger program "' .. gdbcmd[0] .. '"'
     return
   endif
 
@@ -188,7 +193,7 @@ endfunc
 func s:CheckGdbRunning()
   let gdbproc = term_getjob(s:gdbbuf)
   if gdbproc == v:null || job_status(gdbproc) !=# 'run'
-    echoerr string(g:termdebugger) . ' exited unexpectedly'
+    echoerr string(s:GetCommand()[0]) . ' exited unexpectedly'
     call s:CloseBuffers()
     return ''
   endif
@@ -233,7 +238,7 @@ func s:StartDebug_term(dict)
   let gdb_args = get(a:dict, 'gdb_args', [])
   let proc_args = get(a:dict, 'proc_args', [])
 
-  let gdb_cmd = [g:termdebugger]
+  let gdb_cmd = s:GetCommand()
   " Add -quiet to avoid the intro message causing a hit-enter prompt.
   let gdb_cmd += ['-quiet']
   " Disable pagination, it causes everything to stop at the gdb
@@ -364,7 +369,7 @@ func s:StartDebug_prompt(dict)
   let gdb_args = get(a:dict, 'gdb_args', [])
   let proc_args = get(a:dict, 'proc_args', [])
 
-  let gdb_cmd = [g:termdebugger]
+  let gdb_cmd = s:GetCommand()
   " Add -quiet to avoid the intro message causing a hit-enter prompt.
   let gdb_cmd += ['-quiet']
   " Disable pagination, it causes everything to stop at the gdb, needs to be run early