
Replace deprecated `Project.buildDir` [getter](https://docs.gradle.org/current/javadoc/org/gradle/api/Project.html#getBuildDir()) and [setter](https://docs.gradle.org/current/javadoc/org/gradle/api/Project.html#setBuildDir(java.io.File)) uses.
Replace deprecated `Project.buildDir` [getter](https://docs.gradle.org/current/javadoc/org/gradle/api/Project.html#getBuildDir()) and [setter](https://docs.gradle.org/current/javadoc/org/gradle/api/Project.html#setBuildDir(java.io.File)) uses.