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

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https://hg.mozilla.org/integration/gaia-central/rev/5bef0c60c44d
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Merge pull request #22750 from mikehenrty/bug-1041908-fmradio-theme

Bug 1041908 - Add theme color for fm radio

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https://hg.mozilla.org/integration/gaia-central/rev/eb4f6b118c76
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Bug 1041908 - Add theme color for fm radio

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https://hg.mozilla.org/integration/gaia-central/rev/73605e442510
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #23086 from arcturus/bug-1042591

Bug 1042588 - [Contacts][ICE] Display `ICE Contacts` element on the Contacts List. r=sergi

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https://hg.mozilla.org/integration/gaia-central/rev/b08cfab2ef0c
Author: Francisco Jordano <fjordano@mozilla.com>
Desc: Bug 1042588 - [Contacts][ICE] Display `ICE Contacts` element on the Contacts List. r=sergi
Bumping manifests a=b2g-bump