ci: run ci against node `18.x, 20.x` #119

Job	Run time
browser	4m 50s
browser	3m 26s
Unit Tests (16.x, src/tsconfig.json)	1m 8s
Unit Tests (16.x, src/tsconfig.json)	1m 8s
Unit Tests (16.x, src/tsconfig-es6.json)	56s
Unit Tests (16.x, src/tsconfig-es6.json)	56s
Unit Tests (18.x, src/tsconfig.json)	53s
Unit Tests (18.x, src/tsconfig.json)	53s
Unit Tests (18.x, src/tsconfig-es6.json)	45s
Unit Tests (18.x, src/tsconfig-es6.json)	45s
Unit Tests (20.x, src/tsconfig.json)	47s
Unit Tests (20.x, src/tsconfig.json)	47s
Unit Tests (20.x, src/tsconfig-es6.json)	1m 2s
Unit Tests (20.x, src/tsconfig-es6.json)	1m 2s
Compile source code (16.x, src/tsconfig.json)	49s
Compile source code (16.x, src/tsconfig.json)	49s
Compile source code (16.x, src/tsconfig-es6.json)	47s
Compile source code (16.x, src/tsconfig-es6.json)	47s
Compile source code (18.x, src/tsconfig.json)	44s
Compile source code (18.x, src/tsconfig.json)	44s
Compile source code (18.x, src/tsconfig-es6.json)	40s
Compile source code (18.x, src/tsconfig-es6.json)	40s
Compile source code (20.x, src/tsconfig.json)	45s
Compile source code (20.x, src/tsconfig.json)	45s
Compile source code (20.x, src/tsconfig-es6.json)	50s
Compile source code (20.x, src/tsconfig-es6.json)	50s
Upload coverage report to codecov	7s
Upload coverage report to codecov	7s
	28m 42s

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