Bump nimbus-jose-jwt from 3.9 to 7.9 in /webapp

Bumps [nimbus-jose-jwt](https://bitbucket.org/connect2id/nimbus-jose-jwt) from 3.9 to 7.9.
- [Changelog](https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt)
- [Commits](https://bitbucket.org/connect2id/nimbus-jose-jwt/branches/compare/7.9..3.9)

Signed-off-by: dependabot[bot] <support@github.com>
1 file changed