ci: merge linting steps into the test workflow

[masci]

Related Issues

• speed up CI feedback cycle

Proposed Changes:

Tests and linting have the same set of dependencies. In preparation of a caching step that should speed up test execution, we merge the linting steps into the test workflow, removing the dedicated workflow.

How did you test it?

CI

Notes for the reviewer

Checklist

• I have read the contributors guidelines and the code of conduct
• I have updated the related issue with new insights and changes
• I added unit tests and updated the docstrings
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test:.
• I documented my code
• I ran pre-commit hooks and fixed any issue

[coveralls]

Pull Request Test Coverage Report for Build 9516781022

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 89.64%

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Totals
Change from base Build 9516509669:	0.0%
Covered Lines:	6896
Relevant Lines:	7693

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💛 - Coveralls