Add --metadata option to seed backend with ol events

[wslulciuc]

Problem

Metadata used in the seed cmd is not defined using the OpenLineage standard.

Solution

Update seed cmd to load metadata from a file containing an array of OpenLineage events via the --metadata option:

$ java -jar marquez-api.jar seed -h
usage: java -jar marquez-api.jar
       seed [--url URL] --metadata METADATA [-h] [file]

seeds the HTTP API server with metadata

positional arguments:
  file                   application configuration file

named arguments:
  --url URL              the HTTP API server url (default: http://localhost:8080)
  --metadata METADATA    the path to the metadata file (ex: path/to/metadata.json)
  -h, --help             show this help message and exit

Usage: --metadata

$ java -jar marquez-api.jar seed --url http://localhost:5000 --metadata metadata.json marquez.yml

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 #2082 (b549e1c) into main (4d9475c) will decrease coverage by 1.69%.
The diff coverage is 3.03%.

@@             Coverage Diff              @@
##               main    #2082      +/-   ##
============================================
- Coverage     78.73%   77.04%   -1.70%     
+ Complexity     1014     1013       -1     
============================================
  Files           201      201              
  Lines          5583     4643     -940     
  Branches        423      389      -34     
============================================
- Hits           4396     3577     -819     
+ Misses          733      628     -105     
+ Partials        454      438      -16     

Impacted Files	Coverage Δ
api/src/main/java/marquez/cli/SeedCommand.java	7.14% <3.03%> (-76.57%)	⬇️

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[fm100]

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