chore: change regexp

Author: youjung-hong

README.md

@@ -6,9 +6,7 @@ Gather commits on tag
 ```json
 // package.json
 devDependencies: {
-    ...
     "tui-release-notes": "git+https://github.com/nhnent/tui.release-notes.git"
-    ...
 }
 ```
 

src/github-release.js

@@ -7,7 +7,7 @@ const path = require('path');
 const pkg = require(path.join(process.cwd(), 'package.json'));
 const {TUI_GITHUB_TOKEN, apiUrl} = process.env; // eslint-disable-line no-process-env
 
-const GIT_REPO_REGEXP = /\/([\w-]+)\/([\w-]+)\.git\/?$/; // .../user-name/repository-name.git
+const GIT_REPO_REGEXP = /\/([\w-]+)\/([\w-.]+)\.git\/?$/; // .../user-name/repository-name.git
 /**
  * @example
  * * sha1sha fixed: some issue (fixes: #122) (author-name)