📦 Downgrade and fix version of std module

https://github.com/denoland/deno_std/releases/tag/0.107.0 contains a breaking change
which drop support of Deno 1.11.0

Author: lambdalisue

denops_std/deps.ts

@@ -1,7 +1,7 @@
-export * as fs from "https://deno.land/std@0.107.0/fs/mod.ts#^";
-export * as hash from "https://deno.land/std@0.107.0/hash/mod.ts#^";
-export * as path from "https://deno.land/std@0.107.0/path/mod.ts#^";
-export { deferred } from "https://deno.land/std@0.107.0/async/mod.ts#^";
+export * as fs from "https://deno.land/std@0.106.0/fs/mod.ts#=";
+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@v1.10.1/mod.ts#^";
 

denops_std/deps_test.ts

@@ -1,3 +1,3 @@
-export * from "https://deno.land/std@0.107.0/testing/asserts.ts#^";
+export * from "https://deno.land/std@0.106.0/testing/asserts.ts#=";
 
 export * from "https://deno.land/x/denops_core@v1.10.1/test/mod.ts#^";