feat: Added gzip content handling for features requests

[chriswk]

fixes #328

[Copilot]

Pull Request Overview

This PR adds gzip content handling support for feature requests in the Unleash client, along with dependency updates and test configuration improvements.

• Added gzip decompression capability for HTTP responses in feature fetching
• Updated test dependencies (assertj-core, mockito-core, wiremock-jre8) and build plugins
• Enhanced Maven configuration with dependency properties execution and Mockito agent setup

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
src/main/java/io/getunleash/repository/HttpFeatureFetcher.java	Added gzip content encoding support with proper decompression handling
src/test/java/io/getunleash/HotReloadSchedulerReuseTest.java	Minor code formatting improvements and import reorganization
pom.xml	Updated test dependencies, added Maven dependency plugin execution, and configured Mockito agent

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[coveralls]

Pull Request Test Coverage Report for Build 18344708577

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 15 of 15 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.2%) to 79.443%

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Totals
Change from base Build 17576408822:	0.2%
Covered Lines:	2491
Relevant Lines:	3059

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💛 - Coveralls

[sighphyre]

LGTM