Bump okhttp from 3.8.1 to 4.2.2#8

dependabot-preview[bot] wants to merge 1 commit intomasterB515/BJUTAssistant:masterfrom

dependabot/gradle/com.squareup.okhttp3-okhttp-4.2.2B515/BJUTAssistant:dependabot/gradle/com.squareup.okhttp3-okhttp-4.2.2Copy head branch name to clipboard