Quote wildcard for all testNamePattern

Some shells (looking at you zsh) try to expand wildcards on the command line before invoking the underlying command resulting in no tests run when targeting a whole file. Quoting the pattern lets it get handled directly by vitest.

lua/neotest-vitest/init.lua

@@ -321,7 +321,7 @@ function adapter.build_spec(args)
   end
 
   local pos = args.tree:data()
-  local testNamePattern = ".*"
+  local testNamePattern = "'.*'"
 
   if pos.type == "test" then
     testNamePattern = escapeTestPattern(pos.name) .. "$"