Bumping gaia.json for 2 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/62681117f1e7
Author: Ran Ben Aharon <ran@everything.me>
Desc: Merge pull request #13539 from EverythingMe/929668-retry-logs

Bug 929668 - [everything.me] Runaway allocations in homescreen app [r=crdlc,evyatron]

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https://hg.mozilla.org/integration/gaia-1_2/rev/cafa01c70e0f
Author: Ran Ben Aharon <ran@ranbena.com>
Desc: Bug 929668 - [everything.me] Runaway allocations in homescreen app [r=crdlc,evyatron]