Optional args fixed #7587

Job	Run time
Build LPython to WASM	6m 56s
LPython CI (3.10, windows-2019)	16m 37s
Check Debug build	3m 1s
LPython CI (3.10, macos-latest)	4m 29s
LPython CI (3.10, ubuntu-latest)	1s
Build Jupyter Kernel	3m 49s
Test CPython Interop (@pythoncall)	2m 53s
Run Integration tests with Python 3.9	3m 43s
Run Integration tests with Python 3.10	1s
Run Integration tests with Python 3.11	3m 16s
Test PIP Installable Packages	2m 49s
Run Integration tests with Python 3.12	3m 21s
Check Release build	6m 23s
Test LLVM 16	3m 1s
Run SymPy tests	3m 30s
Upload Tarball	44s
Test LLVM 15	3m 0s
Test LLVM 10	3m 13s
	1h 10m 47s

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