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

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https://hg.mozilla.org/integration/gaia-central/rev/de69552e5f87
Author: gitmai <mri@tid.es>
Desc: Merge pull request #21433 from gitmai/bug-1034421-error-widget-msg

Bug 1034421 - [Costcontrol] Costcontrol Widget is not showing proper mes...
r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/6c5f02a8083a
Author: mai <mri@tid.es>
Desc: Bug 1034421 - [Costcontrol] Costcontrol Widget is not showing proper message under airplane mode scenario in V1.4
Bumping manifests a=b2g-bump