Metrics-layer

What's Changed
* fix bug with explicit join type not respected by pblankley in https://github.com/Zenlytic/metrics_layer/pull/189


**Full Changelog**: https://github.com/Zenlytic/metrics_layer/compare/v0.12.7...v0.12.8

What's Changed
This updates the format of the error messages that come back when calling `project.validate()` to be a `dict` with rich metadata instead of just a string.

* add object, line, column tags to error messages in metrics layer by pblankley in https://github.com/Zenlytic/metrics_layer/pull/188
* Bump sqlparse from 0.4.4 to 0.5.0 by dependabot in https://github.com/Zenlytic/metrics_layer/pull/184
* Bump idna from 3.6 to 3.7 by dependabot in https://github.com/Zenlytic/metrics_layer/pull/182


**Full Changelog**: https://github.com/Zenlytic/metrics_layer/compare/v0.12.6...v0.12.7

What's Changed
* Fix/bigquery cumulative dates by pblankley in https://github.com/Zenlytic/metrics_layer/pull/187


**Full Changelog**: https://github.com/Zenlytic/metrics_layer/compare/v0.12.5...v0.12.6

What's Changed
* fix non additive dimensions else by pblankley in https://github.com/Zenlytic/metrics_layer/pull/186


**Full Changelog**: https://github.com/Zenlytic/metrics_layer/compare/v0.12.4...v0.12.5

What's Changed
* Feature/project commit hash by geometrikz in https://github.com/Zenlytic/metrics_layer/pull/185


**Full Changelog**: https://github.com/Zenlytic/metrics_layer/compare/v0.12.3...v0.12.4

What's Changed
* Feature/ignore empty filters in yml by pblankley in https://github.com/Zenlytic/metrics_layer/pull/183


**Full Changelog**: https://github.com/Zenlytic/metrics_layer/compare/v0.12.2...v0.12.3