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

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https://hg.mozilla.org/integration/gaia-central/rev/f89d6e537bf4
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Merge pull request #23584 from Rik/font-size-utils-1061122

Bug 1061122 - Unable to make call when tapping on call log items with tw... r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/68402bc7a581
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Bug 1061122 - Unable to make call when tapping on call log items with two SIMs
Bumping manifests a=b2g-bump