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

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https://hg.mozilla.org/integration/gaia-central/rev/6414a1da984f
Author: gitmai <mri@tid.es>
Desc: Merge pull request #17911 from gitmai/bug-986358-CC-not-inserted-message

Bug 986358 cc not inserted message
r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/6aa5ff44fc6e
Author: mai <mri@tid.es>
Desc: Bug 986358 -[Sora][IOT] Not SIM inserted message appears when SIM is alrady inserted
Bumping manifests a=b2g-bump