chore(i18n): use conventional commits when bumping translations

Change-Id: Idc3b11a4f90332c86fa5b212c627333c37c11ec4
diff --git a/tools/i18n/bump-translations.bash b/tools/i18n/bump-translations.bash
index 4d3108d..bc4ae38 100644
--- a/tools/i18n/bump-translations.bash
+++ b/tools/i18n/bump-translations.bash
@@ -34,4 +34,4 @@
 done
 
 # Commit new translations
-git commit -m "Updating i18n files from Crowdin"
+git commit -m "i18n: update translations from Crowdin"