chore(main): release 1.0.3 (#57) #16

Job	Run time
Build llama-index-graph-stores-coordinode	26s
Build langchain-coordinode	25s
Build coordinode	30s
Build embedded / x86_64 (macos-15-intel)	11m 4s
Build embedded / aarch64 (ubuntu-latest)	3m 2s
Build embedded / x86_64 (ubuntu-latest)	4m 32s
Build embedded / x86_64 (windows-latest)	8m 32s
Build embedded / aarch64 (macos-latest)	4m 30s
Create GitHub Release	0s
Publish to PyPI	-1s
Publish coordinode-embedded to PyPI	-1s
	32m 59s

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