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

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https://hg.mozilla.org/integration/gaia-central/rev/9650380d8ede
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Merge pull request #26208 from eeejay/bug-1069422

Bug 1069422 - Use gaia-select for combo boxes. r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/236618bbe7e1
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 1069422 - Use gaia-select for combo boxes.

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https://hg.mozilla.org/integration/gaia-central/rev/87d2fd662016
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #26259 from lightsofapollo/bug-1097591

Bug 1097591 - vbump marionette-apps = v0.3.12

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https://hg.mozilla.org/integration/gaia-central/rev/a5c685cb161a
Author: James Lal <james@lightsofapollo.com>
Desc: Bug 1097591 - vbump marionette-apps = v0.3.12
Bumping manifests a=b2g-bump