Optional args #7594

Job	Run time
Build LPython to WASM	7m 28s
LPython CI (3.10, macos-latest)	6m 11s
LPython CI (3.10, ubuntu-latest)	10m 29s
LPython CI (3.10, windows-2019)	15m 47s
Test CPython Interop (@pythoncall)	2m 59s
Check Release build	6m 46s
Run SymPy tests	3m 45s
Run Integration tests with Python 3.11	3m 19s
Test LLVM 15	3m 31s
Test LLVM 10	3m 38s
Upload Tarball	45s
Run Integration tests with Python 3.9	3m 15s
Run Integration tests with Python 3.12	3m 7s
Run Integration tests with Python 3.10	3m 13s
Test PIP Installable Packages	2m 41s
Build Jupyter Kernel	5m 10s
Check Debug build	3m 24s
Test LLVM 16	4m 10s
	1h 29m 38s

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