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

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https://hg.mozilla.org/integration/gaia-central/rev/96f5f3ae4f82
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #23205 from chirarobert/update_gaiatest_2

Bug 1056050 - [v2.1] Update has_mobile_connection and is_cell_data_conne...

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https://hg.mozilla.org/integration/gaia-central/rev/5e486c902ee8
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1056050 - [v2.1] Update has_mobile_connection and is_cell_data_connected
Bumping manifests a=b2g-bump