Use correct version of next-metrics

v6.4.2

Upgrade to latest metrics

Also track express starts

Merge pull request #58 from Financial-Times/on-start

Instrument starting of express

Provide a mechanism to auto-Metric applications

Merge pull request #57 from Financial-Times/metrics

Add basic next-metrics integration

Expose feature flags in body response

Merge pull request #56 from Financial-Times/flags

Expose the feature flags in the body to negate the need for a 2nd api call

v6.2.1: Merge pull request #55 from Financial-Times/html-tag-fix

greater than bad

v6.2.0: Merge pull request #54 from Financial-Times/app-identifier

oupt appname in data attribute

v6.1.2: Merge pull request #51 from Financial-Times/partial-root-context

Keep root context with dynamic partials

v6.1.1: Merge pull request #50 from Financial-Times/partials-bugfix

making helpers available in dynamic partials

Dynamic partials

Merge pull request #49 from Financial-Times/dynamic-partials

added dynamic partial helper to handlebars

v6.0.1: Merge pull request #48 from Financial-Times/deprecate-ui-setup

using next-js-setup templates instead of next-ui-setup