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

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https://hg.mozilla.org/integration/gaia-central/rev/94001ec549fe
Author: Arnau <arnau@arnaumarch.com>
Desc: Merge pull request #20733 from pacorampas/missing-headset-oncall-1018495

Bug 1018495 - [Flame][Dialer] Missing headset icon when calling r=rik

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https://hg.mozilla.org/integration/gaia-central/rev/3bf97f4d330c
Author: Paco Rampas <pacorampas@gmail.com>
Desc: Bug 1018495 - [Flame][Dialer] Missing headset icon when calling
Bumping manifests a=b2g-bump