The property 'options' is always an array in Model Relations.

[SidRoberts]

Hello!

• Type: code quality
• Link to issue:

In raising this pull request, I confirm the following:

• I have read and understood the Contributing Guidelines
• I have checked that another pull request for this purpose does not exist
• I wrote some tests for this PR
• I updated the CHANGELOG

Small description of change:

Thanks

[codecov]

Codecov Report

Merging #13989 into 4.0.x will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            4.0.x   #13989      +/-   ##
==========================================
+ Coverage   67.92%   67.94%   +0.01%     
==========================================
  Files         469      469              
  Lines       94258    94255       -3     
==========================================
+ Hits        64027    64043      +16     
+ Misses      30231    30212      -19

Impacted Files	Coverage Δ
ext/phalcon/mvc/model/relation.zep.c	84.93% <0%> (+10.97%)	⬆️

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[sergeyklay]

@SidRoberts Could you please rebase

[niden]

Thank you @SidRoberts