Merge branch 'fix-broken-build' into 'develop'

Fixed broken translations build

See merge request funkwhale/funkwhale!500

front/scripts/i18n-compile.sh

 #!/bin/bash -eux
 locales=$(tail -n +2 src/locales.js | sed -e 's/export default //' | jq '.locales[].code' | grep -v 'en_US' | xargs echo)
+mkdir -p src/translations
+
 for locale in $locales; do
-    find "locales/$locale" -name '*.po' | $(yarn bin)/gettext-compile locales/$locale/LC_MESSAGES/app.po --output src/translations/$locale.json
+    $(yarn bin)/gettext-compile locales/$locale/LC_MESSAGES/app.po --output src/translations/$locale.json
 done
 
 # find locales -name '*.po' | xargs $(yarn bin)/gettext-compile --output src/translations.json