fix(deps): update dependency diff to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
diff	dependencies	major	^3.5.0 -> ^4.0.0	source

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Release Notes

kpdecker/jsdiff

v4.0.1

Compare Source

• Fix main reference path - b826104

Commits

v4.0.0

Compare Source

• #​94 - Missing "No newline at end of file" when comparing two texts that do not end in newlines (@​federicotdn)
• #​227 - Licence
• #​199 - Import statement for jsdiff
• #​159 - applyPatch affecting wrong line number with with new lines
• #​8 - A new state "replace"
• Drop ie9 from karma targets - 79c31bd
• Upgrade deps. Convert from webpack to rollup - 2c1a29c
• Make ()[]"' as word boundaries between each other - f27b899
• jsdiff: Replaced phantomJS by chrome - ec3114e
• Add yarn.lock to .npmignore - 29466d8

Compatibility notes:

• Bower and Component packages no longer supported

Commits

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[codecov-io]

Codecov Report

Merging #243 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #243   +/-   ##
=======================================
  Coverage   98.53%   98.53%           
=======================================
  Files          12       12           
  Lines         817      817           
  Branches       68       68           
=======================================
  Hits          805      805           
  Misses         12       12

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