Migrate to Gradle 5.4.1

[tomaszmichalak]

Migrate to Gradle 5.4.1

Description

Migrate to Gradle 5.4.1

Motivation and Context

Remove all Gradle 4.X dependencies.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

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I hereby agree to the terms of the Knot.x Contributor License Agreement.

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@e825d28). Click here to learn what that means. The diff coverage is n/a.

@@           Coverage Diff            @@
##             master     #28   +/-   ##
========================================
  Coverage          ?   79.7%           
  Complexity        ?     164           
========================================
  Files             ?      19           
  Lines             ?     680           
  Branches          ?      49           
========================================
  Hits              ?     542           
  Misses            ?     106           
  Partials          ?      32

Impacted Files	Coverage Δ	Complexity Δ
.../knotx/junit5/examples/ExampleKnotxJUnit5Test.java	100% <ø> (ø)	7 <0> (?)
.../test/java/io/knotx/junit5/KnotxExtensionTest.java	100% <ø> (ø)	3 <0> (?)
.../knotx/junit5/assertions/HtmlMarkupAssertions.java	0% <ø> (ø)	0 <0> (?)
...notx/junit5/utils/TestConfigurationHttpServer.java	86.36% <ø> (ø)	6 <0> (?)
...io/knotx/junit5/KnotxExtensionInheritanceTest.java	100% <ø> (ø)	6 <0> (?)
...tx/junit5/wiremock/KnotxWiremockExtensionTest.java	100% <ø> (ø)	9 <0> (?)

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Continue to review full report at Codecov.

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