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

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https://hg.mozilla.org/integration/gaia-central/rev/8dbfd05c145e
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #24122 from alivedise/bugzilla/1066869/show-contact-image-correctly

Bug 1066869 - Do not wait transition to show contact photo anymore, r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/c3118dff1603
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 1066869 - Do not wait transition to show contact photo anymore
Bumping manifests a=b2g-bump