Add location to serialization type check errors

[wyfo]

Fixes #261

[wyfo]

This implementation has a (significant?) impact on performance (5% slower) …

[codecov-commenter]

Codecov Report

Merging #298 (559eccb) into master (b68fa0b) will decrease coverage by 0.10%.
The diff coverage is 78.37%.

@@            Coverage Diff             @@
##           master     #298      +/-   ##
==========================================
- Coverage   85.55%   85.44%   -0.11%     
==========================================
  Files          65       66       +1     
  Lines        5654     5675      +21     
  Branches     1167     1170       +3     
==========================================
+ Hits         4837     4849      +12     
- Misses        598      607       +9     
  Partials      219      219              

Impacted Files	Coverage Δ
apischema/serialization/methods.py	86.09% <77.61%> (-2.41%)	⬇️
apischema/serialization/errors.py	85.71% <85.71%> (ø)

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