[ruby/psych] Update for stricter 1.2 syntax

This allows these tests to pass on SnakeYAML Engine -- which is a
1.2-only YAML library -- while still passing on libyaml 1.1.

https://github.com/ruby/psych/commit/f44269fc9b
This commit is contained in:
Charles Oliver Nutter 2023-01-18 11:32:47 -06:00 committed by Hiroshi SHIBATA
parent b0b61623ad
commit 29133794a3
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