* Pyroscope: Add annotations frame to series response
* Adapt to API change, add tests
* Run make lint-go
* Fix conflicts after rebase
* Add annotation via a separate data frame
* Process annotations fully at the datasource
* Add mod owner for go-humanize
* Pyroscope: Annotations in Query Response can be optional
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Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>