Add filtering by recorded at date to measurements

What does this MR do?

This change adds filtering capabilities by recorded at to instance statistics measurements GraphQL api.

To get data, make sure you run the seed file:

FILTER=instance_statistics rake db:seed_fu

Testing:

Log in to your local GDK and then navigate to: http://localhost:3000/-/graphql-explorer

Assuming that you're admin, you should be able to run the queries.

GraphQL query:

query getMeasurements {
  instanceStatisticsMeasurements(identifier:PROJECTS, recordedAfter:"2020-01-01", recordedBefore:"2020-11-01") {
    nodes {
      identifier
      count
      recordedAt
      
    }
  }
}

Database

Example query:

The recorded_at column is already covered by an index.

SELECT "analytics_instance_statistics_measurements".* FROM "analytics_instance_statistics_measurements" WHERE "analytics_instance_statistics_measurements"."recorded_at" >= '2019-12-31 23:00:00' AND "analytics_instance_statistics_measurements"."recorded_at" <= '2021-12-31 23:00:00' AND "analytics_instance_statistics_measurements"."identifier" = 1 ORDER BY "analytics_instance_statistics_measurements"."recorded_at" DESC, "analytics_instance_statistics_measurements"."id" DESC LIMIT 100;

Plan

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team

Related to #268000 (closed)