GROOVY-11937: Highlight async, await and defer in Groovy console

[daniellansun]

https://issues.apache.org/jira/browse/GROOVY-11937

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.9957%. Comparing base (cc73c80) to head (1eb0c0e).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...vy/groovy/console/ui/text/SmartDocumentFilter.java	0.0000%	2 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                 @@
##               master      #2477        +/-   ##
==================================================
+ Coverage     66.9880%   66.9957%   +0.0078%     
- Complexity      30945      30947         +2     
==================================================
  Files            1440       1440                
  Lines          120450     120451         +1     
  Branches        21360      21360                
==================================================
+ Hits            80687      80697        +10     
+ Misses          33018      33014         -4     
+ Partials         6745       6740         -5     

Files with missing lines	Coverage Δ
...vy/groovy/console/ui/text/SmartDocumentFilter.java	0.0000% <0.0000%> (ø)

... and 4 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.