Update `Admin::Metrics::Measure` classes for Rails 7 (#25236)

app/lib/admin/metrics/measure/instance_accounts_measure.rb

app/lib/admin/metrics/measure/instance_followers_measure.rb

app/lib/admin/metrics/measure/instance_follows_measure.rb

...min/metrics/measure/instance_media_attachments_measure.rb

app/lib/admin/metrics/measure/instance_reports_measure.rb

app/lib/admin/metrics/measure/instance_statuses_measure.rb

app/lib/admin/metrics/measure/new_users_measure.rb

app/lib/admin/metrics/measure/opened_reports_measure.rb

app/lib/admin/metrics/measure/query_helper.rb

app/lib/admin/metrics/measure/resolved_reports_measure.rb

app/lib/admin/metrics/measure/tag_servers_measure.rb

spec/lib/admin/metrics/measure/active_users_measure_spec.rb

...b/admin/metrics/measure/instance_accounts_measure_spec.rb

.../admin/metrics/measure/instance_followers_measure_spec.rb

...ib/admin/metrics/measure/instance_follows_measure_spec.rb

...etrics/measure/instance_media_attachments_measure_spec.rb

...ib/admin/metrics/measure/instance_reports_measure_spec.rb

...b/admin/metrics/measure/instance_statuses_measure_spec.rb

spec/lib/admin/metrics/measure/interactions_measure_spec.rb

spec/lib/admin/metrics/measure/new_users_measure_spec.rb