Update pydantic and in_place versions

[jwodder]

Builds on #175.

[yarikoptic]

LGTM, but got conflicts which need to be addressed first

[jwodder]

@yarikoptic Conflicts resolved.

[codecov-commenter]

Codecov Report

Merging #176 (0664e6a) into master (49ca485) will decrease coverage by 0.17%.
The diff coverage is 70.37%.

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@@            Coverage Diff             @@
##           master     #176      +/-   ##
==========================================
- Coverage   44.61%   44.45%   -0.17%     
==========================================
  Files          10       10              
  Lines        1365     1361       -4     
  Branches      278      284       +6     
==========================================
- Hits          609      605       -4     
  Misses        752      752              
  Partials        4        4              

Files	Coverage Δ
src/tinuous/appveyor.py	33.33% <100.00%> (ø)
src/tinuous/base.py	53.84% <100.00%> (-1.07%)	⬇️
src/tinuous/state.py	100.00% <100.00%> (ø)
src/tinuous/travis.py	30.32% <0.00%> (ø)
src/tinuous/__main__.py	0.00% <0.00%> (ø)
src/tinuous/config.py	69.84% <76.92%> (+0.48%)	⬆️
src/tinuous/github.py	36.25% <60.00%> (-0.49%)	⬇️
src/tinuous/circleci.py	53.07% <0.00%> (ø)