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

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https://hg.mozilla.org/integration/gaia-central/rev/f08b1a56e548
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #23104 from eliperelman/bug-1056245

Bug 1056245 - Adjusting height of rocketbar search results when SHB is enabled

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https://hg.mozilla.org/integration/gaia-central/rev/3d8f4688ab9a
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1056245 - Adjusting height of rocketbar search results when SHB is enabled
Bumping manifests a=b2g-bump