Bump testng from 6.14.3 to 7.7.0 in /appium-maven#21

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masterVisual-Regression-Tracker/examples-java:masterfrom

dependabot/maven/appium-maven/org.testng-testng-7.7.0Visual-Regression-Tracker/examples-java:dependabot/maven/appium-maven/org.testng-testng-7.7.0Copy head branch name to clipboard