check why composer nix-package uses wrong php version

[github-actions]

groupware/shell.nix

Lines 65 to 69 in b949fa6

	# TODO: check why composer nix-package uses wrong php version
	./install-composer.sh
	redis-server -v
	mysql --version
	git --version

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This issue was generated by todo-issue based on a TODO comment in b949fa6. It's been assigned to @HellPat because they committed the code.