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

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https://hg.mozilla.org/integration/gaia-central/rev/2daafbef4478
Author: Malini Das <thehyperballad@gmail.com>
Desc: Merge pull request #25850 from malini/node-py

Bug 1088835 - have marionette-socket-host kick off runner-service, r=lightsofapollo

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https://hg.mozilla.org/integration/gaia-central/rev/c4cbd5381256
Author: Malini Das <mdas@mozilla.com>
Desc: Bug 1088835 - have marionette-socket-host kick off runner-service
Bumping manifests a=b2g-bump