Upgrade to ebean 12.8.1

[bayne]

No description provided.

[lightbend-cla-validator]

Hi @bayne,

Thank you for your contribution! We really value the time you've taken to put this together.

Before we proceed with reviewing this pull request, please sign the Lightbend Contributors License Agreement:

https://www.lightbend.com/contribute/cla

[codecov-io]

Codecov Report

Merging #213 (a9a3eaa) into master (805cd75) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #213   +/-   ##
=======================================
  Coverage   13.66%   13.66%           
=======================================
  Files           7        7           
  Lines         139      139           
  Branches       10       10           
=======================================
  Hits           19       19           
  Misses        120      120           

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[jmswenski]

LGTM