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

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https://hg.mozilla.org/integration/gaia-central/rev/a364333052b4
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #13268 from gaye/bump-marionette-client

Bug XXX - Bump marionette client to ~1.0.1 a=test-only

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https://hg.mozilla.org/integration/gaia-central/rev/ee3a16c7859a
Author: Gareth Aye <gaye@mozilla.com>
Desc: Bug XXX - Bump marionette client to ~1.0.1 a=test-only