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

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https://hg.mozilla.org/integration/gaia-central/rev/dc89a30c7cd3
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #25853 from wilsonpage/1094340

Bug 1094340 - [camera][rtl] Settings menu should look good in RTL mode

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https://hg.mozilla.org/integration/gaia-central/rev/7874e7f0bcf7
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 1094340 - [camera][rtl] Settings menu should look good in RTL mode
Bumping manifests a=b2g-bump