Move to igwn_ligolw #200

Job	Run time
Tarball	20s
LSCSoft bookworm source package	46m 6s
LSCSoft el8-testing source package	1m 18s
LSCSoft el8-testing binary package	1m 59s
Lint RPMs	47s
LSCSoft el8-testing install test	1m 18s
Lint Debian packages	1s
LSCSoft ${{ matrix.debian }} binary package	1s
LSCSoft ${{ matrix.debian }} install test	1s
	51m 51s

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