Handle NeTEx any version

[leonardehrenfried]

Summary

NeTEx allows the version of an entity to use the special string any which is defined as follows:

Use "any" if the VERSION is unknown (note that this will trigger NeTEx's XML automatic consistency check).

@vpaturet has said that in they Entur pipeline an any value is converted to 0 before it reaches OTP.

For this reason, I am adding some special logic to the version parser that uses a fallback for this case. The fallback value existed previously and communicates the fact that the version is unknown.

Issue

noi-techpark/odh-mentor-otp#191

Relates to #3640

Unit tests

Added.

Documentation

Javadoc.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.66%. Comparing base (fa60b78) to head (d71fcc1).

Additional details and impacted files

@@            Coverage Diff             @@
##             dev-2.x    #5983   +/-   ##
==========================================
  Coverage      69.66%   69.66%           
- Complexity     17163    17166    +3     
==========================================
  Files           1942     1942           
  Lines          73784    73786    +2     
  Branches        7550     7550           
==========================================
+ Hits           51401    51404    +3     
  Misses         19753    19753           
+ Partials        2630     2629    -1     

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