chore(deps): bump cross-spawn from 6.0.5 to 7.0.3

Bumps [cross-spawn](https://github.com/moxystudio/node-cross-spawn) from 6.0.5 to 7.0.3.
- [Release notes](https://github.com/moxystudio/node-cross-spawn/releases)
- [Changelog](https://github.com/moxystudio/node-cross-spawn/blob/master/CHANGELOG.md)
- [Commits](moxystudio/node-cross-spawn@v6.0.5...v7.0.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

packages/taro-cli/package.json

@@ -64,7 +64,7 @@
     "better-babel-generator": "^6.26.1",
     "chokidar": "^2.0.3",
     "commander": "^2.19.0",
-    "cross-spawn": "^6.0.5",
+    "cross-spawn": "^7.0.3",
     "download-git-repo": "^2.0.0",
     "envinfo": "^6.0.1",
     "eslint": "^6.8.0",

packages/taro-helper/package.json

@@ -48,7 +48,7 @@
     "babel-plugin-transform-react-jsx": "^6.24.1",
     "chalk": "3.0.0",
     "chokidar": "3.3.1",
-    "cross-spawn": "7.0.1",
+    "cross-spawn": "7.0.3",
     "debug": "4.1.1",
     "find-yarn-workspace-root": "1.2.1",
     "fs-extra": "8.1.0",