Update dependency gettext to v1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
gettext (source)	prod	major	== 0.26.2 -> == 1.0.0

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Release Notes

elixir-gettext/gettext (gettext)

v1.0.0

Compare Source

This is the first 1.0 release of Gettext, a silly 10 years (and 6 months) after we started working on it. There are very few changes from the latest 0.26 release, and none of them are breaking.

Here are the new goodies:

• Add support for concatenating sigils if all parts are known at compile time (such as "Hello " <> ~s(world)).
• Significantly increase the timeout for mix gettext.extract to two minutes.
• Add Gettext.put_locale!/1.

Happy 10+ years of Elixir translations everyone! 🎉

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