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

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https://hg.mozilla.org/integration/gaia-central/rev/61daa25fefcd
Author: Marina <marina.rodrigueziglesias@telefonica.com>
Desc: Merge pull request #25619 from gitmai/bug-1088575-lockscreen-emergencycall-more-info-produces-error

Bug 1088575 - [LockScreen][EmergencyCall]After click 'More info' in app ...

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https://hg.mozilla.org/integration/gaia-central/rev/6b29bd30c77e
Author: mai <mri@tid.es>
Desc: Bug 1088575 - [LockScreen][EmergencyCall]After click 'More info' in app permission, enter emergency call will get all functionalities broken
Bumping manifests a=b2g-bump