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

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https://hg.mozilla.org/integration/gaia-1_3/rev/75497adaf7cc
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #17707 from sergi/978696

Bug 978696 - [Sora][Contacts] The vCard exported from Soul 3.5 FF can not be imported into Android devices.

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https://hg.mozilla.org/integration/gaia-1_3/rev/a414dae997e0
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #17305 from jrburke/bug985093-email-malformed-share-url

Bug 985093 - [email] URI parsing in new/share compose activity using URI... r=asuth
Bumping manifests a=b2g-bump