dbt 0.19.1

Fixes

• On BigQuery, fix regressions for insert_overwrite incremental strategy with int64 and timestamp partition columns (#3063, #3095, #3098)
• Fix compiled sql for ephemeral models (#3139, #3056)
• Pass service-account scopes to gcloud-based oauth (#3040, #3041)

Under the hood

• Bump werkzeug upper bound dependency to <v2.0 (#3011)
• Performance fixes for many different things (#2862, #3034)
• Update code to use Mashumaro 2.0 (#3138)
• Pin agate<1.6.2 to avoid installation errors relating to its new dependency PyICU (#3160, #3161)
• Add an event to track resource counts (#3050, #3157)

Contributors:

• @Bl3f (#3011)
• @yu-iskw (#3041)