chore(deps): update gradle to v9.7.1 - #6750

Error resolving plugin [id: 'org.gradle.kotlin.kotlin-dsl', version: '6.7.3'] > Dependency verification failed for configuration 'detachedConfiguration1' One artifact failed verification: org.gradle.kotlin.kotlin-dsl.gradle.plugin-6.7.3.pom (org.gradle.kotlin.kotlin-dsl:org.gradle.kotlin.kotlin-dsl.gradle.plugin:6.7.3) from repository Gradle Central Plugin Repository If the artifacts are trustworthy, you will need to update the gradle/verification-metadata.xml file. For more on how to do this, please refer to https://docs.gradle.org/9.7.1/userguide/dependency_verification.html#sec:troubleshooting-verification in the Gradle documentation. Open this report for more details: file:///home/runner/work/jmeter/jmeter/build/reports/dependency-verification/at-1787400788303/dependency-verification-report.html