Bump com.aayushatharva.brotli4j:brotli4j from 1.13.0 to 1.15.0 (#3010)

Bumps [com.aayushatharva.brotli4j:brotli4j](https://github.com/hyperxpro/Brotli4j) from 1.13.0 to 1.15.0.
- [Release notes](https://github.com/hyperxpro/Brotli4j/releases)
- [Commits](hyperxpro/Brotli4j@v1.13.0...v1.15.0)

---
updated-dependencies:
- dependency-name: com.aayushatharva.brotli4j:brotli4j
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -109,7 +109,7 @@ ext {
 	nettyQuicVersion = '0.0.55.Final'
 
 	// Testing
-	brotli4jVersion = '1.13.0'
+	brotli4jVersion = '1.15.0'
 	jacksonDatabindVersion = '2.16.1'
 	testAddonVersion = reactorCoreVersion
 	assertJVersion = '3.25.0'