2.6.0

What's Changed

Add Timer.measure methods by @FranzBusch in https://github.com/apple/swift-metrics/pull/140

CI use 6.1 nightlies by @rnro in https://github.com/apple/swift-metrics/pull/160
Tell the truth about the supported metric types by @Lukasa in https://github.com/apple/swift-metrics/pull/161
Rename nightly_6_1 params to nightly_next by @rnro in https://github.com/apple/swift-metrics/pull/162
Only apply standard swift settings on valid targets by @rnro in https://github.com/apple/swift-metrics/pull/163

Full Changelog: https://github.com/apple/swift-metrics/compare/2.5.1...2.6.0