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/cdf08f161f89
Author: EragonJ <eragonj@eragonj.me>
Desc: Merge pull request #14871 from EragonJ/v1.3-bug-950307

Bug 950307 - [DSDS] Settings: rename sim-manager-outgoing-data-desc

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https://hg.mozilla.org/integration/gaia-1_3/rev/9e07991fd7b7
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 950307 - [DSDS] Settings: rename sim-manager-outgoing-data-desc

- update this string in v1.3