fix TS2322 and update @typescript-eslint/* (#479)

* feat: add branch 'master'

* chore: remove lock file

* fix(ts): error TS2322

Type 'string | void | Buffer' is not assignable to type 'string'.

Type 'void' is not assignable to type 'string'.

* chore(deps-dev): update typescript-eslint/*

- @typescript-eslint/[email protected]
- @typescript-eslint/[email protected]

* chore: restore lock file from hexojs/hexo-cli

* chore(deps): reinstall using `npm@8`

---------

Co-authored-by: yoshinorin <[email protected]>

Author: dimaslanjaka

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "assets"]
 	path = assets
 	url = https://github.com/hexojs/hexo-starter.git
+	branch = master

lib/console/version.ts

@@ -13,12 +13,12 @@ async function versionConsole() {
 
   console.log('hexo-cli:', pkg.version);
 
-  let osInfo = '';
+  let osInfo: string | void | Buffer;
   if (platform === 'darwin') osInfo = await spawn('sw_vers', '-productVersion');
   else if (platform === 'linux') {
     const v = await spawn('cat', '/etc/os-release');
-    const distro = (v || '').match(/NAME="(.+)"/);
-    const versionInfo = (v || '').match(/VERSION="(.+)"/) || ['', ''];
+    const distro = String(v || '').match(/NAME="(.+)"/);
+    const versionInfo = String(v || '').match(/VERSION="(.+)"/) || ['', ''];
     const versionStr = versionInfo !== null ? versionInfo[1] : '';
     osInfo = `${distro[1]} ${versionStr}`.trim() || '';
   }