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/42a6a62efc58
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #16049 from viorelaioia/bug_968850

Bug 968850 - [v1.3]Unxfail test_sms_with_attachments.py as Bug 964233 wa...

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https://hg.mozilla.org/integration/gaia-1_3/rev/092662c835f0
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 968850 - [v1.3]Unxfail test_sms_with_attachments.py as Bug 964233 was fixed