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

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https://hg.mozilla.org/integration/gaia-central/rev/94e199a9dd70
Author: Fernando Rodríguez Sela <frsela@tid.es>
Desc: Merge pull request #22154 from empoalp/bug_991573

Bug 991573 - Copy improvements in Call Barring service through MMI, r=drs

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https://hg.mozilla.org/integration/gaia-central/rev/382663f21836
Author: David Garcia <davidg@tid.es>
Desc: Bug 991573 - Change success message for Call Barring and Call Waiting interrogation through MMI
Bumping manifests a=b2g-bump