deps: update dependency com.google.guava:guava-bom to v28.2-android

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.guava:guava-bom	minor	28.1-android -> 28.2-android

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[codecov]

Codecov Report

Merging #45 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##             master     #45   +/-   ##
========================================
  Coverage      74.6%   74.6%           
  Complexity      462     462           
========================================
  Files            42      42           
  Lines          3513    3513           
  Branches         32      32           
========================================
  Hits           2621    2621           
  Misses          860     860           
  Partials         32      32

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