Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/adfb5b3b42be
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #26110 from mancas/bug1097288

Bug 1097288 - [FTE] "Show Password" checkbox is indented in FTU when ent. r=fernando.campo

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https://hg.mozilla.org/integration/gaia-central/rev/4ed6886e490c
Author: mancas <manuel.casasbarrado@telefonica.com>
Desc: Bug 1097288 - [FTE] "Show Password" checkbox is indented in FTU when entering a wifi password

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https://hg.mozilla.org/integration/gaia-central/rev/78fc9cacdc7c
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #25804 from mancas/bug1093533

Bug 1093533 - Unable to install marketplace update on Mulet, system. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/ac00c7355a3b
Author: Manuel Casas Barrado <manuel.casasbarrado@telefonica.com>
Desc: Bug 1093533 - Unable to install marketplace update on Mulet, system think it is offline
Bumping manifests a=b2g-bump