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

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https://hg.mozilla.org/integration/gaia-central/rev/f23d78f04732
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Merge pull request #23206 from pivanov/bug-1044277

Bug 1044277 - [RTL][Overlay] Geolocation Overlay buttons are a bit crowded r=vingtetun

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https://hg.mozilla.org/integration/gaia-central/rev/2ab5f775224b
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Bug 1044277 - [RTL][Overlay] Geolocation Overlay buttons are a bit crowded
Bumping manifests a=b2g-bump