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

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https://hg.mozilla.org/integration/gaia-central/rev/2995e0b7cf62
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Merge pull request #15530 from EverythingMe/960502-trunc-query

Bug 960502 - [Everything.me] Limit query parameter length to 128 [r=ranbena]

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https://hg.mozilla.org/integration/gaia-central/rev/8df7b77b4e0c
Author: Amir Nissim <amirnissim@gmail.com>
Desc: Bug 960502 - [Everything.me] Limit query parameter length [r=ranbena]
Bumping manifests a=b2g-bump