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

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https://hg.mozilla.org/integration/gaia-central/rev/36ac74d01b48
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #22637 from lightsofapollo/reland-webcomp-off

Bug 1038439 - Remove web components preference from Gaia. r=vingtetun

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https://hg.mozilla.org/integration/gaia-central/rev/10f057bd0e09
Author: William Chen <wchen@mozilla.com>
Desc: Bug 1038439 - Remove web components preference from Gaia. r=vingtetun
Bumping manifests a=b2g-bump