fix: upgrade com.google.code.gson:gson from 2.8.8 to 2.8.9
fix: upgrade com.google.code.gson:gson from 2.8.8 to 2.8.9

Snyk has created this PR to upgrade com.google.code.gson:gson from 2.8.8 to 2.8.9.

See this package in Maven Repository:
https://mvnrepository.com/artifact/com.google.code.gson/gson/

See this project in Snyk:
https://app.snyk.io/org/micah.silverman/project/cb87a9f4-731e-4a75-a25d-ca3272fdd00b?utm_source=github&utm_medium=referral&page=upgrade-pr
jwtk/jjwt