Update dbt-core dependency of dbt-common for testing

[emmyoop]

resolves #104
Related to initial fix in #68

Description

When we run dbt-core tests we're not using the right sha when we're merging in so a change that breaks core doesn't block the merge.

This leverages a new script from #105 to update the dev-requirements so that tox installs the correct sha.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have signed the CLA
• I have run this code in development and it appears to resolve the stated issue
• I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR
• I have run changie new to create a changelog entry

[emmyoop]

From the test I ran:
These are the output shas when running in the merge queue

dbt-core-ref=main
dbt-common-ref=561ec9f361f64895ef7c51598d98474a1314900b
merge queue values
github.event.merge_group.head_sha=561ec9f361f64895ef7c51598d98474a1314900b
github.event.merge_group.head_ref=refs/heads/gh-readonly-queue/main/pr-105-b76d0e655a81873646f9d32a9e4df170cedcafa8
github.event.merge_group.base_sha=b76d0e655a81873646f9d32a9e4df170cedcafa8
github.event.merge_group.base_ref=refs/heads/main
github.event.merge_group.head_commit.id=561ec9f361f64895ef7c51598d98474a1314900b
github.event.merge_commit_sha=
GITHUB_SHA=561ec9f361f64895ef7c51598d98474a1314900b
PR values
github.event.pull_request.base.sha=
github.event.pull_request.head.sha=
github.event.pull_request.merge_commit_sha=

These are how they map:

sha of my branch: 274c63b1702fd96fadbaa92c14bc9056658c8526
sha of main at this point: b76d0e655a81873646f9d32a9e4df170cedcafa8
sha of the merge: 561ec9f361f64895ef7c51598d98474a1314900b

We want to use the merge sha so the following should work:

github.event.merge_group.head_sha
github.event.merge_group.head_commit.id
$GITHUB_SHA

We are currently using github.event.merge_group.head_sha here. This should work. Will monitor the next merge with changes to check.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.26%. Comparing base (753c03f) to head (6b6bb8e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #105   +/-   ##
=======================================
  Coverage   56.26%   56.26%           
=======================================
  Files          50       50           
  Lines        3082     3082           
=======================================
  Hits         1734     1734           
  Misses       1348     1348           

Flag	Coverage Δ
unit	56.26% <ø> (ø)

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