* add workflow-level concurrency control for benchmark and Pages pipelines
* keep release changelog generation and the separate distZip step in the build workflow by design
* align the benchmark workflow with the primary Gradle action setup
* add Gradle wrapper validation to benchmark runs
* switch benchmark caching and setup to gradle/actions/setup-gradle
* remove the redundant Gradle wrapper executable-bit adjustment
* keep benchmark generation in Pages unchanged while improving workflow control
feat: enable Gradle dependency locking for all configurations
feat: enforce strict lock-state usage in the build
feat: centralize repository declaration in settings.gradle
feat: enable strict Gradle dependency verification via gradle.properties
feat: add committed dependency lock state and verification metadata
fix: defer mockito agent resolution to test execution phase for locked builds
ci: validate reproducibility inputs before workflow builds
ci: include lock and verification inputs in workflow change detection
docs: establish explicit dependency update workflow for locks and verification metadata
