build(deps): bump get-stdin from 8.0.0 to 9.0.0

Bumps [get-stdin](https://github.com/sindresorhus/get-stdin) from 8.0.0 to 9.0.0.
- [Release notes](https://github.com/sindresorhus/get-stdin/releases)
- [Commits](sindresorhus/get-stdin@v8.0.0...v9.0.0)

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

package.json

@@ -38,7 +38,7 @@
     "test": "standard && tape test/clone.js test/api.js && tsc"
   },
   "dependencies": {
-    "get-stdin": "^8.0.0",
+    "get-stdin": "^9.0.0",
     "minimist": "^1.2.5",
     "pkg-conf": "^3.1.0",
     "xdg-basedir": "^4.0.0"