update for ddc.vim v2.3.0

Author: shun

README.md

@@ -1,7 +1,7 @@
 # ddc-vim-lsp
 
 vim-lsp for ddc.vim.
-- ddc.vim : v2.0.0
+- ddc.vim : v2.3.0
 
 ## Required
 

denops/@ddc-sources/vim-lsp.ts

@@ -2,11 +2,11 @@ import {
   BaseSource,
   Item,
   DdcGatherItems,
-} from "https://deno.land/x/ddc_vim@v2.0.0/types.ts#^";
+} from "https://deno.land/x/ddc_vim@v2.3.0/types.ts#^";
 
 import {
   GatherArguments,
-} from "https://deno.land/x/ddc_vim@v2.0.0/base/source.ts#^";
+} from "https://deno.land/x/ddc_vim@v2.3.0/base/source.ts#^";
 
 // deno-lint-ignore ban-types
 type Params = {