ci: include submodules in source archive #1783

Job	Run time
Source	13s
Linux almalinux-8	6m 22s
Linux almalinux-9	6m 11s
Linux debian-bookworm	6m 22s
Java 1.8	58s
Python ${{ matrix.arch }} Conda	0s
Linux debian-bullseye	6m 22s
Documentation	6m 22s
Linux ubuntu-jammy	6m 21s
Python amd64 macOS	6m 14s
Python amd64 manylinux2014	6m 20s
Python arm64v8 macOS	6m 20s
Python sdist	6m 20s
Python 3.9 Windows	6m 15s
Python 3.10 Windows	6m 11s
Python ${{ matrix.arch }} Conda	0s
Python 3.11 Windows	6m 14s
Python 3.12 Windows	6m 6s
Upload packages to Anaconda.org	0s
Upload packages to Gemfury	1s
Create release	1s
	1h 29m 13s

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