Updates for dbt-utils to dbt-core cross-db macro migration

This pull request was created automatically 🎉 Before merging this PR (refer to Detailed Update Sheet 10/2022 for more information):

[x] Verify dbt_project.yml & integration_tests/dbt_project.yml versions are properly bumped
[x] Spot check for dispatch updates, dbt_utils.macro -> dbt.macro
[x] Verify that .circleci directory has been removed
[x] Verify integration_tests/requirements.txt adapters have been updated to 1.2.0 and dbt-databricks is added
[x] Verify .buildkite directory has been added with the following: hooks/pre-command, scripts/run_models.sh, pipeline.yml
[x] Update packages.yml, will need to bump source package (FT utils should be bumped)
[x] Update .buildkite/scripts/run_models.sh with vars as applicable, if N/A then remove relevant lines from script
[x] Remove databricks block from .buildkite/pipeline.yml if package is incompatible
[x] Update schema names in integration_tests/ci/sample.profiles.yml
[x] Update "spark" strings where applicable
[x] Update CHANGELOG template and remove surrogate keys if not applicable to package
[x] Update README for dbt version badge, install package version range and dependencies for: Fivetran_utils, dbt-utils and source packages
[x] Regenerate docs
[x] Follow Instructions for adding Buildkite
[x] Follow instructions for removing Circleci

fivetran / dbt_xero