guile-3.0.4 version bump

Alpine Guile version is very old - 2.0.x releases, the previous generation basically.

https://www.gnu.org/software/guile/news/gnu-guile-300-released.html

https://www.gnu.org/software/guile/download/

https://ftp.gnu.org/gnu/guile/guile-3.0.4.tar.gz

And for 2.2 series is https://ftp.gnu.org/gnu/guile/guile-2.2.7.tar.gz

See all changes here: http://git.savannah.gnu.org/gitweb/?p=guile.git;a=blob;f=NEWS;h=5824e31ab18601f0f05e05127eea841295cc834a;hb=HEAD

Edited Jul 08, 2020 by Anton Kochkov

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