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

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https://hg.mozilla.org/integration/gaia-central/rev/739483ef20ac
Author: Kyle Machulis <kyle@nonpolynomial.com>
Desc: Merge pull request #15853 from qdot/958060-sim-locked-no-data-in-fte

Bug 958060 - Only show data ftu screen when default sim is ready

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https://hg.mozilla.org/integration/gaia-central/rev/36030a727796
Author: Kyle Machulis <kyle@nonpolynomial.com>
Desc: Bug 958060 - Only show data ftu screen when default sim is ready
Bumping manifests a=b2g-bump