Issues Analytics graphs fail to load for some languages

This issue was discovered by the Japanese translation team, but likely affects other languages as well.

English	Japanese

Steps to reproduce

• Change language to Japanese in user settings
• Visit Issues analytics page for any project: https://gitlab.com/gitlab-org/gitlab/-/analytics/issues_analytics

Console log

Solution

We are using a localized string as a GraphQL key, which is causing this issue. In the query builder, we are using the abbreviated month name generated by generateChartDateRangeData. We will need to update the query builder to use a translation-safe key instead.