fix: update snapshots (#9)

Author: JSerFeng

copy-plugin/__snapshots__/CopyPlugin.test.js.snap

@@ -61,7 +61,7 @@ transform aaaa",
 exports[`CopyPlugin stats should minify: assets 1`] = `
 Object {
   "asset-modules/deepnested.txt": "",
-  "unoptimized.js": "let a=1;console.log(1);",
+  "unoptimized.js": "const a=1;console.log(1);",
 }
 `;
 

css-extract/__snapshots__/HMR.test.js.snap

@@ -30,11 +30,11 @@ exports[`HMR should reloads with non http/https link href 2`] = `"<link rel=\\"s
 
 exports[`HMR should reloads with non-file script in the end of page 1`] = `"[HMR] Reload all CSS"`;
 
-exports[`HMR should reloads with non-file script in the end of page 2`] = `"<link rel=\\"stylesheet\\" href=\\"/dist/main.css\\"><link rel=\\"stylesheet\\" href=\\"http://localhost/dist/main.css?1479427200000\\">"`;
+exports[`HMR should reloads with non-file script in the end of page 2`] = `"<link rel=\\"stylesheet\\" href=\\"/dist/main.css\\"><link rel=\\"stylesheet\\" href=\\"/dist/main.css?1479427200000\\">"`;
 
 exports[`HMR should work reload all css 1`] = `"[HMR] Reload all CSS"`;
 
-exports[`HMR should work reload all css 2`] = `"<link rel=\\"stylesheet\\" href=\\"/dist/main.css\\"><link rel=\\"stylesheet\\" href=\\"http://localhost/dist/main.css?1479427200000\\">"`;
+exports[`HMR should work reload all css 2`] = `"<link rel=\\"stylesheet\\" href=\\"/dist/main.css\\"><link rel=\\"stylesheet\\" href=\\"/dist/main.css?1479427200000\\">"`;
 
 exports[`HMR should works 1`] = `"[HMR] CSS reload %s"`;