fix(deps): update dependency isomorphic-fetch to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
isomorphic-fetch (source)	2.2.1 -> 3.0.0

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Release Notes

matthew-andrews/isomorphic-fetch (isomorphic-fetch)

v3.0.0

Compare Source

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[codecov]

Codecov Report

Merging #520 (0919c37) into develop (11f1ffc) will not change coverage.
The diff coverage is n/a.

❗ Current head 0919c37 differs from pull request most recent head 61fa05b. Consider uploading reports for the commit 61fa05b to get more accurate results

@@            Coverage Diff            @@
##           develop      #520   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           25        25           
  Lines          304       304           
  Branches        36        36           
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  Hits           304       304           

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