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

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https://hg.mozilla.org/integration/gaia-central/rev/7236bf8e170b
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #25802 from ADLR-es/highlight-accented

Bug 1088706 - Accented characters like ñ are not highlighted after doing...

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https://hg.mozilla.org/integration/gaia-central/rev/8b98575f1d60
Author: Adrián de la Rosa <hola@adlr.es>
Desc: Bug 1088706 - Accented characters like ñ are not highlighted after doing a search with them

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https://hg.mozilla.org/integration/gaia-central/rev/0bc4dbd74b99
Author: Diego Marcos <diego.marcos@gmail.com>
Desc: Merge pull request #26268 from dmarcos/bug1097835simple

Bug 1097835 - [Camera] App doesn't listen for 'closed' events

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https://hg.mozilla.org/integration/gaia-central/rev/fdec585e06c0
Author: Diego Marcos <diego.marcos@gmail.com>
Desc: Bug 1097835 - [Camera] App doesn't listen for 'closed' events
Bumping manifests a=b2g-bump