#86 compatible for IntelliJ IDEA 2022.2.1

[bxb100]

fix #86

• update Gradle version to 7.4

• update plugin org.jetbrains.intellij to 1.8.0

• update dependence mockito-core to 4.7.0, So I test org.jetbrains.research.refactorinsight.utils.UtilsTest#calculateSignature without error

• fix diff refactoring window to right position

DiffRequestChain chain = new SimpleDiffRequestChain(requests, index);