Add wordbreaking support

[JimBobSquarePants]

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• I have provided test coverage for my change (where applicable)

Description

Bumps the underlying fonts version so we can use the new word breaking options.

[codecov]

Codecov Report

Merging #167 (a8ba093) into master (22c2a27) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #167      +/-   ##
==========================================
+ Coverage   70.02%   70.03%   +0.01%     
==========================================
  Files          89       89              
  Lines        5207     5209       +2     
  Branches     1062     1062              
==========================================
+ Hits         3646     3648       +2     
  Misses       1347     1347              
  Partials      214      214              

Flag	Coverage Δ
unittests	70.03% <100.00%> (+0.01%)	⬆️

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Impacted Files	Coverage Δ
...ssing/Processors/Text/DrawTextProcessor{TPixel}.cs	96.26% <100.00%> (+0.01%)	⬆️
src/ImageSharp.Drawing/Processing/TextOptions.cs	100.00% <100.00%> (ø)

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