fix: upgrade com.google.code.gson:gson from 2.2.4 to 2.8.6
fix: upgrade com.google.code.gson:gson from 2.2.4 to 2.8.6

Snyk has created this PR to upgrade com.google.code.gson:gson from 2.2.4 to 2.8.6.

See this package in NPM:
https://www.npmjs.com/package/com.google.code.gson:gson

See this project in Snyk:
https://app.snyk.io/org/sunet/project/4f763233-60ce-4daf-873d-855d6c2c60ac?utm_source=github&utm_medium=upgrade-pr

SUNET/eduid-mm-service