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

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https://hg.mozilla.org/integration/gaia-central/rev/3cd66e829743
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Merge pull request #24477 from Rik/keypad-vibrate-1069286

Bug 1069286 - No tactile feedback when dialling a number r=drs, r=gweng

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https://hg.mozilla.org/integration/gaia-central/rev/99b4a6551bc0
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Bug 1069286 - No tactile feedback when dialling a number
Bumping manifests a=b2g-bump