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

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https://hg.mozilla.org/integration/gaia-central/rev/373670f1fc7e
Author: EragonJ <eragonj@eragonj.me>
Desc: Merge pull request #18928 from EragonJ/bug-994533-new

Bug 994533 - [Sora][WIFI] The return button display error in wifi page

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https://hg.mozilla.org/integration/gaia-central/rev/32c40be85d94
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 994533 - [Sora][WIFI] The return button display error in wifi page
Bumping manifests a=b2g-bump