Update mockito.version to v3.4.4

[renovate]

This PR contains the following updates:

Package	Update	Change
org.mockito:mockito-junit-jupiter	patch	3.4.3 -> 3.4.4
org.mockito:mockito-core	patch	3.4.3 -> 3.4.4

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Release Notes

mockito/mockito

v3.4.4

Compare Source

^{Release notes were automatically generated by Shipkit}

3.4.4

• 2020-07-18 - 2 commits by Rafael Winterhalter - published to
• Fixes #​1855 and #​939: improve error message when the inline mock maker cannot be used. (#​1974)
• javax.tools.ToolProvider could not be found in InlineByteBuddyMockMaker (#​1855)

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[codecov]

Codecov Report

Merging #958 into master will increase coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #958      +/-   ##
============================================
+ Coverage     76.23%   76.29%   +0.05%     
  Complexity        5        5              
============================================
  Files           166      166              
  Lines          3383     3383              
  Branches        238      238              
============================================
+ Hits           2579     2581       +2     
  Misses          727      727              
+ Partials         77       75       -2