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

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https://hg.mozilla.org/integration/gaia-central/rev/41eb359ce2e4
Author: Yi-Fan Liao <yliao@mozilla.com>
Desc: Merge pull request #23547 from begeeben/1058317_when_watching_youtube

Bug 1058317 - [Browser] When watching YouTube on fullscreen, the video toolbar menu does not display, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/1137ff43b578
Author: Yi-Fan Liao <begeeben@gmail.com>
Desc: Bug 1058317 - [Browser] When watching YouTube on fullscreen, the video toolbar menu does not display

* Browser iframe was blocked by div.screenshot-overlay

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https://hg.mozilla.org/integration/gaia-central/rev/12542eaa67f3
Author: Jim Porter <jporter@mozilla.com>
Desc: Merge pull request #23743 from jimporter/ringtones-alert-tone-strings

Bug 1061438 - [Ringtones] Fix wording for managing alerts

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https://hg.mozilla.org/integration/gaia-central/rev/de313c59f9d2
Author: Jim Porter <jporter@mozilla.com>
Desc: Bug 1061438 - [Ringtones] Fix the wording for managing alerts; r=djf
Bumping manifests a=b2g-bump