Do a git clean before the core release as well (https://github.com/woocommerce/woocommerce-admin/pull/6945)

* Also do a git clean before the core release

* Fix spacing and add changelog

plugins/woocommerce-admin/bin/build-plugin-zip.sh

@@ -111,6 +111,11 @@ status "Starting a Github release... 👷‍♀️"
 ./bin/github-deploy.sh ${PLUGIN_TAG} ${ZIP_FILE}
 
 if [ $IS_CUSTOM_BUILD = false ]; then
+	# Remove ignored files to reset repository to pristine condition. Previous
+	# test ensures that changed files abort the plugin build.
+	status "Cleaning working directory... 🛀"
+	git clean -xdf
+
 	# Install PHP dependencies
 	status "Gathering PHP dependencies... 🐿️"
 	composer install --no-dev

plugins/woocommerce-admin/readme.txt

@@ -90,6 +90,7 @@ Release and roadmap notes are available on the [WooCommerce Developers Blog](htt
 - Dev: Fixed storybook build script #6875
 - Dev: Removed allowed keys list for adding woocommerce_meta data. #6889 🎉 @xristos3490
 - Dev: Delete all products when running product import tests, unskip previously skipped test. #6905
+- Dev: Do a git clean before the core release. #6945
 - Enhancement: Add recommended payment methods in payment settings. #6760
 - Enhancement: Add expand/collapse to extendable task list. #6910
 - Enhancement: Add task hierarchy support to extended task list. #6916