🤖 docs(README.md): Make travis-ci.org point to travis-ci.com.

These changes were automatically generated by a transform whose code can be found at:
  - https://github.com/aureooms/rejuvenate/blob/67ba7d5e9b38c8944d42909a3a30b0710559b446/src/transforms/readme:link-to-travis-ci-com-instead-of-travis-ci-org.js
Please contact the author of the transform if you believe there was an error.

Author: a-flying-potato

README.md

@@ -25,7 +25,7 @@ a.mul( b ).toString( ) ; // '-903954021577363596419770144565091'
 
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