Fix wrong link in the readme

[mheob]

This PR fixes a small typo in a link to the blog. The incorrect spelling in the href previously landed you on a 404 page.

[thomasrockhu-codecov]

Thank you @mheob!

[codecov]

Codecov Report

Merging #464 (c31909a) into master (71ef541) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #464   +/-   ##
=======================================
  Coverage   96.46%   96.46%           
=======================================
  Files           3        3           
  Lines         113      113           
  Branches       34       34           
=======================================
  Hits          109      109           
  Misses          4        4           

Flag	Coverage Δ
demo	85.71% <ø> (ø)
macos-latest	96.46% <ø> (ø)
script	97.97% <ø> (ø)
ubuntu-latest	96.46% <ø> (ø)
windows-latest	96.46% <ø> (ø)

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Impacted Files	Coverage Δ
src/buildExec.ts	97.97% <0.00%> (ø)

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