📦 Update deno dependencies

Author: web-flow

denops_std/deps.ts

@@ -3,6 +3,6 @@ export * as hash from "https://deno.land/std@0.106.0/hash/mod.ts#^";
 export * as path from "https://deno.land/std@0.106.0/path/mod.ts#^";
 export { deferred } from "https://deno.land/std@0.106.0/async/mod.ts#^";
 
-export * from "https://deno.land/x/denops_core@v1.7.1/mod.ts#^";
+export * from "https://deno.land/x/denops_core@v1.8.0/mod.ts#^";
 
 export * from "https://deno.land/x/unknownutil@v1.1.0/mod.ts";

denops_std/deps_test.ts

@@ -1,3 +1,3 @@
 export * from "https://deno.land/std@0.106.0/testing/asserts.ts#^";
 
-export * from "https://deno.land/x/denops_core@v1.7.1/test/mod.ts#^";
+export * from "https://deno.land/x/denops_core@v1.8.0/test/mod.ts#^";

denops_std/helper/load_test.ts

@@ -2,7 +2,7 @@ import { assertEquals, assertThrowsAsync, test } from "../deps_test.ts";
 import { load } from "./load.ts";
 
 const loadScriptUrlBase =
-  "https://raw.githubusercontent.com/vim-denops/deno-denops-std/v1.8.0/denops_std/helper/";
+  "https://raw.githubusercontent.com/vim-denops/deno-denops-std/v1.8.1/denops_std/helper/";
 
 test({
   mode: "any",