Bump ApprovalTests from 3.0.19 to 3.0.20
Bump ApprovalTests from 3.0.19 to 3.0.20

Bumps [ApprovalTests](https://github.com/approvals/ApprovalTests.Net) from 3.0.19 to 3.0.20.
- [Release notes](https://github.com/approvals/ApprovalTests.Net/releases)
- [Commits](https://github.com/approvals/ApprovalTests.Net/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
SimonCropp/Newtonsoft.Json.Encryption