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

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https://hg.mozilla.org/integration/gaia-central/rev/717a12c88ea2
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #23259 from crdlc/bug-1057964

Bug 1057964 - Follow up bug 1033531 (apps dont appear in custom smart co...

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https://hg.mozilla.org/integration/gaia-central/rev/d93a4a9b6795
Author: crdlc <crdlc@tid.es>
Desc: Bug 1057964 - Follow up bug 1033531 (apps dont appear in custom smart collections if Smart Collection is entered too quickly)
Bumping manifests a=b2g-bump