Update prettier glob

package.json

@@ -27,8 +27,8 @@
 	],
 	"scripts": {
 		"postinstall": "npm run bootstrap",
-		"prettier:check": "prettier --check \"**/*\"",
-		"prettier:write": "prettier --write \"**/*\"",
+		"prettier:check": "prettier --check \"packages/*/src/**/*.ts\"",
+		"prettier:write": "prettier --write \"packages/*/src/**/*.ts\"",
 		"postpublish": "lerna run install:safe --scope lit-plugin && echo \"🎉 Published successfully! You can now publish the vscode extension seperately by running 'cd packages/vscode-lit-plugin && npm run publish'\"",
 		"publish": "lerna run prepare && lerna publish --exact && npm run postpublish",
 		"publish:next": "lerna run prepare && echo \"When asked, please choose 'Custom Prerelease' and use default value\" && lerna publish --dist-tag next --preid next --exact && npm run postpublish",