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

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https://hg.mozilla.org/integration/gaia-central/rev/5dac72950cbe
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #22563 from comoyo/1048869

Bug 1048869 - Autopredict algorithm should value vertical alignment of keys more. r=djf

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https://hg.mozilla.org/integration/gaia-central/rev/0572902d7cdc
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 1048869 - Autopredict algorithm should value vertical alignment of keys more
Bumping manifests a=b2g-bump