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

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https://hg.mozilla.org/integration/gaia-central/rev/e176e4231c49
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #21801 from crh0716/1030554

 Bug 1030554 - Re-run operator variant logic when detecting a new iccid r=jaoo

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https://hg.mozilla.org/integration/gaia-central/rev/eb45f419e8c4
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1030554 - Re-run operator variant logic when detecting a new iccid
Bumping manifests a=b2g-bump