v7.0.0

Release run: #20

What's Changed

• Support accepting multiple public keys by @rtyley in #150 (re-merged as #156)

Updating to Panda v7

See #160, tracking the upgrade of Guardian services to Panda v7.

Updated requirements

• Java 11 (see also guardian/maintaining-scala-projects#3)

Full Changelog: v6.0.0...v7.0.0