dedicated diff for components.params

[reuvenharrison]

The bug was caused because we used ParametersDiff to compare params under components.
I renamed ParametersDiff to ParametersDiffByLocation and created a new type, ParametersDiff, to compare params under components without considering the param location (query, path, header or cookie).
Also added an "InDiff" field to ParameterDiff to cover the use case that a parameter under components could be modified by changing its location.

[codecov-commenter]

Codecov Report

Merging #354 (3420a62) into main (3a7f646) will decrease coverage by 0.15%.
The diff coverage is 88.77%.

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@@            Coverage Diff             @@
##             main     #354      +/-   ##
==========================================
- Coverage   80.55%   80.41%   -0.15%     
==========================================
  Files         191      191              
  Lines       10033    10083      +50     
==========================================
+ Hits         8082     8108      +26     
- Misses       1641     1659      +18     
- Partials      310      316       +6     

Flag	Coverage Δ
unittests	80.41% <88.77%> (-0.15%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
checker/checker.go	42.43% <0.00%> (ø)
diff/parameters_diff_by_location.go	74.80% <86.66%> (ø)
diff/parametes_diff.go	89.83% <89.83%> (ø)
diff/components_diff.go	94.44% <100.00%> (ø)
diff/headers_diff.go	95.23% <100.00%> (ø)
diff/method_diff.go	85.93% <100.00%> (ø)
diff/parameter_diff.go	72.72% <100.00%> (+0.50%)	⬆️
diff/path_diff.go	88.46% <100.00%> (ø)
report/report.go	75.00% <100.00%> (ø)

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