Allow null column type in column-lineage

[pawel-big-lebowski]

Signed-off-by: Pawel Leszczynski leszczynski.pawel@gmail.com

Problem

Column lineage endpoint throw an exception when no data type of the field provided.

Closes: #2261

Solution

Write a test for this scenario, allow null.

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 #2272 (a14140b) into main (36e94ce) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #2272      +/-   ##
============================================
+ Coverage     76.82%   76.84%   +0.01%     
  Complexity     1154     1154              
============================================
  Files           220      220              
  Lines          5268     5268              
  Branches        423      423              
============================================
+ Hits           4047     4048       +1     
  Misses          747      747              
+ Partials        474      473       -1     

Impacted Files	Coverage Δ
...arquez/db/mappers/ColumnLineageNodeDataMapper.java	90.47% <100.00%> (ø)
api/src/main/java/marquez/common/Utils.java	88.66% <0.00%> (+0.66%)	⬆️

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