Add GraalJS regular expression and factory implementation

[justin-tay]

This adds the optional usage of GraalJS as the regular expression evaluation engine. This makes it somewhat easier to verify that the Joni regular expression implementation is correct.

This also fixes the JoniRegularExpression implementation as the Syntax.ECMAScript wasn't accepting certain valid regular expressions by configuring a custom Syntax with additional options

• OP2_QMARK_LT_NAMED_GROUP
• OP2_ESC_K_NAMED_BACKREF

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 93.22034% with 4 lines in your changes missing coverage. Please review.

Project coverage is 78.86%. Comparing base (48ca3c2) to head (3e41dee).
Report is 21 commits behind head on master.

Files	Patch %	Lines
...hema/regex/ECMAScriptRegularExpressionFactory.java	76.92%	1 Missing and 2 partials ⚠️
.../networknt/schema/regex/GraalJSContextFactory.java	75.00%	1 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1058      +/-   ##
============================================
- Coverage     78.90%   78.86%   -0.05%     
- Complexity     1965     2061      +96     
============================================
  Files           172      198      +26     
  Lines          6352     6651     +299     
  Branches       1255     1261       +6     
============================================
+ Hits           5012     5245     +233     
- Misses          867      929      +62     
- Partials        473      477       +4     

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