branch core-updates updated (eeef77d -> 2e80251)

[guix-commits]

cbaines pushed a change to branch core-updates
in repository guix.

    from eeef77d  gnu: bison-3.6: Remove package.
     new fbf0949  gnu: Rename ruby to ruby-2.6.
     new 2e80251  gnu: ruby: Use ruby-2.7.

The 2 revisions listed above as "new" are entirely new to this
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Summary of changes:
 gnu/packages/ruby.scm | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)