Add fix and tests for handling Airflow dags with dots and task groups

[collado-mike]

Problem

A recent change broke how marquez handles DAGs with dots and tasks within task groups. This change corrects that and adds a few test cases to validate

Note: All database schema changes require discussion. Please link the issue for context.

Checklist

• You've signed-off your work
• Your changes are accompanied by tests (if relevant)
• Your change contains a small diff and is self-contained
• You've updated any relevant documentation (if relevant)
• You've updated the CHANGELOG.md with details about your change under the "Unreleased" section (if relevant, depending on the change, this may not be necessary)
• You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)
• You've included a header in any source code files (if relevant)

[codecov]

Codecov Report

Merging #2126 (f82331e) into main (9bb877d) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #2126      +/-   ##
============================================
+ Coverage     75.28%   75.30%   +0.02%     
- Complexity     1036     1038       +2     
============================================
  Files           203      203              
  Lines          4879     4883       +4     
  Branches        398      399       +1     
============================================
+ Hits           3673     3677       +4     
  Misses          763      763              
  Partials        443      443              

Impacted Files	Coverage Δ
api/src/main/java/marquez/db/OpenLineageDao.java	95.17% <100.00%> (+0.05%)	⬆️

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[wslulciuc]

LGTM 👍