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

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https://hg.mozilla.org/integration/gaia-central/rev/4c25df1b6ae1
Author: Salvador de la Puente González <neo.salvador@gmail.com>
Desc: Merge pull request #25085 from gitmai/bug-1080479-reset-app-list

Bug 1080479 - [Usage] By application totals are not reset
r=mai

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https://hg.mozilla.org/integration/gaia-central/rev/d87e745c9c5b
Author: mai <mri@tid.es>
Desc: Bug 1080479 - [Usage] By application totals are not reset
Bumping manifests a=b2g-bump