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

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https://hg.mozilla.org/integration/gaia-central/rev/709142efb303
Author: Mihai Cîrlănaru <mihai@cirlanaru.com>
Desc: Merge pull request #16010 from mihai/bug_968081

Bug 968081 - [Settings][L10n] Localize WiFi hotspot security type info

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https://hg.mozilla.org/integration/gaia-central/rev/5036f5a30262
Author: Mihai Cirlanaru <mihai@cirlanaru.com>
Desc: Bug 968081 - [Settings][L10n] Localize WiFi hotspot security type info. r=arthurcc
Bumping manifests a=b2g-bump