Fix/bigquery job label length (#3703) (#3766)

* add blueprints to resolve issue

* revert to previous version

* intentionally failing test

* add imports

* add validation in existing function

* add passing test for length validation

* add current sanitized label

* remove duplicate var

* Make logging output 2 lines

Co-authored-by: Jeremy Cohen <jeremy@fishtownanalytics.com>

* Raise RuntimeException to better handle error

Co-authored-by: Jeremy Cohen <jeremy@fishtownanalytics.com>

* update test

* fix flake8 errors

* update changelog

Co-authored-by: Jeremy Cohen <jeremy@fishtownanalytics.com>

Co-authored-by: sungchun12 <sungwonchung3@gmail.com>

CHANGELOG.md

@@ -132,6 +132,8 @@ Contributors:
 - Switch to full reparse on partial parsing exceptions. Log and report exception information. ([#3725](https://github.com/dbt-labs/dbt/issues/3725), [#3733](https://github.com/dbt-labs/dbt/pull/3733))
 - Check for existence of test node when removing. ([#3711](https://github.com/dbt-labs/dbt/issues/3711), [#3750](https://github.com/dbt-labs/dbt/pull/3750))
 
+## dbt 0.20.1 (August 11, 2021)
+
 ## dbt 0.20.1rc1 (August 02, 2021)
 
 ### Features