Update dependency gradle to v7.6 {patch}

[renovate]

This PR contains the following updates:

Package	Update	Change
gradle (source)	minor	7.5.1 -> 7.6

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Configuration

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[codecov]

Codecov Report

Merging #196 (087d80d) into main (09b9bc9) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #196   +/-   ##
=========================================
  Coverage     91.70%   91.70%           
  Complexity      863      863           
=========================================
  Files           117      117           
  Lines          2338     2338           
  Branches         99       99           
=========================================
  Hits           2144     2144           
  Misses          161      161           
  Partials         33       33           

Flag	Coverage Δ
core	95.02% <ø> (ø)
cucumber	93.45% <ø> (ø)
flighteval	93.44% <ø> (ø)
h2	99.15% <ø> (ø)
junit4	82.45% <ø> (ø)
jupiter	86.36% <ø> (ø)
rmi	92.88% <ø> (ø)
strongback	100.00% <ø> (ø)
testkit	21.51% <ø> (ø)
testng	100.00% <ø> (ø)

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