Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/f241e5413d99
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #15360 from rnowm/951130

Bug 951130 - Contacts Export view is visually incorrect

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https://hg.mozilla.org/integration/gaia-central/rev/eaf9f838946e
Author: rnowm <arnau@arnaumarch.com>
Desc: Bug 951130 - Contacts Export view is visually incorrect