Try to see if 2.12.14 just works with graalvm

[johnynek]

No description provided.

[johnynek]

after updating to graalvm to 21.1.0 in #736 I want to see if 2.12.14 just works (2.12.12 used method handles that tripped up native-image).

[codecov-commenter]

Codecov Report

Merging #737 (26920b3) into master (7ae857a) will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #737      +/-   ##
==========================================
+ Coverage   91.94%   91.99%   +0.05%     
==========================================
  Files          82       82              
  Lines        7483     7483              
  Branches      330      330              
==========================================
+ Hits         6880     6884       +4     
+ Misses        603      599       -4     

Impacted Files	Coverage Δ
...n/scala/org/bykn/bosatsu/codegen/python/Code.scala	94.47% <0.00%> (ø)
.../src/main/scala/org/bykn/bosatsu/Declaration.scala	98.96% <0.00%> (+0.20%)	⬆️
...re/src/main/scala/org/bykn/bosatsu/TypedExpr.scala	83.11% <0.00%> (+0.77%)	⬆️

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[johnynek]

okay, it doesn't "just work".

I guess I should use the sbt-native-image plugin which has a work around:

https://github.com/scalameta/sbt-native-image

[johnynek]

closes #558