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

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https://hg.mozilla.org/integration/gaia-2_1/rev/5883e37b0cd4
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1061444 - Keep the iccids and restore the apn settings when necessary
Bumping manifests a=b2g-bump