Bumping gaia.json for 2 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/006674e106ef
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #15828 from alivedise/bugzilla/963707_v1.3/fix-orientation-lock

Bug 963707 - Lock orientation when open transition is done, r=etienne

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https://hg.mozilla.org/integration/gaia-1_3/rev/8ff9da21aa07
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 963707 - Lock orientation when open transition is done