Add support for coordinate via point in the GTFS GraphQL API

[optionsome]

Summary

Adds support for coordinate via point in the GTFS GraphQL API.

Issue

Related to #4887 (comment)

Unit tests

Updated GraphQL integration test.

Documentation

None

Changelog

From title

[codecov]

Codecov Report

Attention: Patch coverage is 58.33333% with 5 lines in your changes missing coverage. Please review.

Project coverage is 70.19%. Comparing base (1f55690) to head (035ec42).

Files with missing lines	Patch %	Lines
...ntripplanner/apis/gtfs/generated/GraphQLTypes.java	0.00%	5 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             dev-2.x    #6490      +/-   ##
=============================================
- Coverage      70.20%   70.19%   -0.01%     
- Complexity     18312    18317       +5     
=============================================
  Files           2080     2080              
  Lines          77182    77193      +11     
  Branches        7831     7831              
=============================================
+ Hits           54182    54189       +7     
- Misses         20231    20235       +4     
  Partials        2769     2769              

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