feat: standardize make extract_translations

Refs: FC-0012 OEP-58

Makefile

@@ -14,6 +14,11 @@ endef
 export BROWSER_PYSCRIPT
 BROWSER := python -c "$$BROWSER_PYSCRIPT"
 
+EXTRACT_DIR := enterprise/conf/locale/en/LC_MESSAGES
+EXTRACTED_DJANGO_PARTIAL := $(EXTRACT_DIR)/django-partial.po
+EXTRACTED_DJANGO := $(EXTRACT_DIR)/django.po
+
+
 help: ## display this help message
 	@echo "Please use \`make <target>' where <target> is one of"
 	@perl -nle'print $& if m{^[\.a-zA-Z_-]+:.*?## .*$$}' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m  %-25s\033[0m %s\n", $$1, $$2}'
@@ -45,15 +50,16 @@ static.watch: ## watch for static asset changes for a development environment
 	$(NODE_BIN)/webpack --config webpack.config.js --display-error-details --progress --watch
 
 compile_translations: ## compile translation files, outputting .po files for each supported language
-	./manage.py compilemessages
+	django-admin compilemessages
 
 dummy_translations: ## generate dummy translation (.po) files
 	cd enterprise && i18n_tool dummy
 
 extract_translations: ## extract strings to be translated, outputting .mo files
 	rm -rf docs/_build
-	./manage.py makemessages -l en -v1 -d django
-	./manage.py makemessages -l en -v1 -d djangojs -i "node_modules/*"
+	i18n_tool extract
+	msgmerge -U $(EXTRACTED_DJANGO) $(EXTRACTED_DJANGO_PARTIAL)
+	rm $(EXTRACTED_DJANGO_PARTIAL)
 
 fake_translations: extract_translations dummy_translations compile_translations ## generate and compile dummy translation files