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

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https://hg.mozilla.org/integration/gaia-central/rev/ca1461dad726
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #23663 from crh0716/1061450

Bug 1061450 - Use customized dialog for delete APN waring r=eragonj

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https://hg.mozilla.org/integration/gaia-central/rev/bcb169892c96
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1061450 - Use customized dialog for delete APN waring
Bumping manifests a=b2g-bump