src/sage/interfaces/singular.py: use GNU Info to read Singular's info #4954

Job	Run time
List changed packages	2m 56s
site / linux (gentoo-python3.11, standard-sitepackages)	4m 7s
constraints_pkgs-norequirements / linux (ubuntu-focal, standard)	4m 6s
site / linux (archlinux-latest, standard-sitepackages)	4m 8s
test / linux (ubuntu-focal, standard)	4m 7s
constraints_pkgs-norequirements / linux (ubuntu-noble, standard)	4m 8s
site / linux (fedora-40, standard-sitepackages)	4m 8s
constraints_pkgs-norequirements / linux (debian-bookworm, standard)	4m 8s
test / linux (ubuntu-focal, minimal)	4m 5s
test / linux (ubuntu-noble, standard)	4m 6s
constraints_pkgs-norequirements / linux (fedora-40, standard)	4m 8s
test / linux (ubuntu-noble, minimal)	4m 5s
constraints_pkgs-norequirements / linux (debian-bullseye-i386, standard)	4m 6s
test / linux (debian-bullseye, standard)	4m 8s
test / linux (debian-bullseye, minimal)	4m 6s
test / linux (debian-bookworm, standard)	4m 9s
test / linux (debian-bookworm, minimal)	4m 10s
test / linux (fedora-30, standard)	1s
test / linux (fedora-30, minimal)	1s
test / linux (fedora-40, standard)	1s
test / linux (fedora-40, minimal)	1s
test / linux (gentoo-python3.11, standard)	1s
test / linux (gentoo-python3.11, minimal)	1s
test / linux (debian-bullseye-i386, standard)	1s
test / linux (debian-bullseye-i386, minimal)	1s
	1h 8m 59s

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