refactor!: Use IllegalStateException instead of `IllegalArgumentExc…

[overcat]

…eption` in some scenarios.

[codecov]

Codecov Report

Attention: Patch coverage is 81.25000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 80.96%. Comparing base (ae48e08) to head (a56b374).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
.../main/java/org/stellar/sdk/SorobanDataBuilder.java	0.00%	1 Missing ⚠️
src/main/java/org/stellar/sdk/Transaction.java	0.00%	1 Missing ⚠️
.../main/java/org/stellar/sdk/TransactionBuilder.java	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #665   +/-   ##
=========================================
  Coverage     80.96%   80.96%           
- Complexity     1171     1176    +5     
=========================================
  Files           202      202           
  Lines          4439     4450   +11     
  Branches        370      374    +4     
=========================================
+ Hits           3594     3603    +9     
- Misses          615      616    +1     
- Partials        230      231    +1     

Files with missing lines	Coverage Δ
src/main/java/org/stellar/sdk/Asset.java	79.16% <ø> (ø)
...ava/org/stellar/sdk/AssetTypeCreditAlphaNum12.java	87.50% <ø> (ø)
src/main/java/org/stellar/sdk/KeyPair.java	83.96% <100.00%> (+0.15%)	⬆️
src/main/java/org/stellar/sdk/SorobanServer.java	83.73% <ø> (ø)
...java/org/stellar/sdk/TransactionPreconditions.java	94.02% <100.00%> (ø)
.../main/java/org/stellar/sdk/SorobanDataBuilder.java	87.23% <0.00%> (ø)
src/main/java/org/stellar/sdk/Transaction.java	94.00% <0.00%> (ø)
.../main/java/org/stellar/sdk/TransactionBuilder.java	87.71% <75.00%> (ø)