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

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https://hg.mozilla.org/integration/gaia-1_3/rev/24716455c710
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 950881 In the Facebook datastore simplify indexing by removing the m...