changed Checked* interfaces to declare to throw Exception instead of Throwable

[nfekete]

also updated test code to reflect these changes

the changes are pretty straightforward and don't affect the behavior of vavr, only the API

would fix #2137

[codecov-io]

Codecov Report

Merging #2162 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2162   +/-   ##
=========================================
  Coverage     97.45%   97.45%           
  Complexity     5206     5206           
=========================================
  Files            92       92           
  Lines         11934    11934           
  Branches       1576     1576           
=========================================
  Hits          11630    11630           
  Misses          148      148           
  Partials        156      156

Impacted Files	Coverage Δ	Complexity Δ
vavr/src/main/java/io/vavr/CheckedConsumer.java	100% <ø> (ø)	2 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction1.java	96.77% <ø> (ø)	18 <0> (ø)	⬇️
vavr/src/main/java/io/vavr/CheckedPredicate.java	0% <ø> (ø)	1 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction3.java	96.66% <ø> (ø)	14 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction7.java	97.05% <ø> (ø)	14 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction6.java	96.96% <ø> (ø)	14 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction4.java	96.77% <ø> (ø)	14 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction8.java	97.14% <ø> (ø)	14 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction5.java	96.87% <ø> (ø)	14 <0> (ø)	⬇️
...vr/src-gen/main/java/io/vavr/CheckedFunction2.java	96.55% <ø> (ø)	15 <0> (ø)	⬇️
... and 1 more

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[danieldietrich]

Thank you, the PR looks great!