Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/53b9dc84593b
Author: Marina <mri@tid.es>
Desc: Merge pull request #25358 from EdgarChen/bug_1083541/costcontrol_unknown_card_state

Bug 1083541 - [Costcontrol] Showing error screen if card state is 'unknown'

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https://hg.mozilla.org/integration/gaia-central/rev/e7b2384047ba
Author: Edgar Chen <echen@mozilla.com>
Desc: Bug 1083541 - [Costcontrol] Showing error screen if card state is 'unknown'. r=mai

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https://hg.mozilla.org/integration/gaia-central/rev/4a94baf542b8
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #25181 from wilsonpage/1079953

Bug 1079953 - [Lockscreen][Camera] Non-function UI in preview when camera app

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https://hg.mozilla.org/integration/gaia-central/rev/76fe053adcc2
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 1079953 - [Lockscreen][Camera] Non-function UI in preview when camera app is launched from the Lockscreen with Passcode enabled.

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https://hg.mozilla.org/integration/gaia-central/rev/e2cffb8d00e2
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #25325 from wilsonpage/1085316

Bug 1085316 - Update gaia-icons

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https://hg.mozilla.org/integration/gaia-central/rev/a910fb911c2a
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 1085316 - Update gaia-icons
Bumping manifests a=b2g-bump