Optional args #7593

Job	Run time
Build LPython to WASM	7m 2s
LPython CI (3.10, macos-latest)	4m 1s
Test PIP Installable Packages	2m 47s
LPython CI (3.10, windows-2019)	15m 12s
Upload Tarball	46s
LPython CI (3.10, ubuntu-latest)	9m 46s
Build Jupyter Kernel	3m 51s
Test CPython Interop (@pythoncall)	2m 58s
Check Debug build	2m 55s
Test LLVM 15	3m 7s
Check Release build	7m 54s
Test LLVM 10	3m 5s
Test LLVM 16	3m 5s
Run SymPy tests	3m 32s
Run Integration tests with Python 3.12	3m 17s
Run Integration tests with Python 3.9	4m 25s
Run Integration tests with Python 3.11	3m 14s
Run Integration tests with Python 3.10	3m 13s
	1h 24m 10s

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