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

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https://hg.mozilla.org/integration/gaia-2_1/rev/3b23bf42a83c
Author: Frederik B <fbraun+gh@mozilla.com>
Desc: Bug 1060278 - Missing strings for implicit permission names, r=gasolin
Bumping manifests a=b2g-bump