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/c04105674cf3
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #15529 from viorelaioia/bug_961039_v1.3

Bug 961039 - [v1.3] Xfail test_cost_control_data_alert_mobile

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https://hg.mozilla.org/integration/gaia-1_3/rev/ada0ac3498a6
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 961039 - Xfail test_cost_control_data_alert_mobile