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

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https://hg.mozilla.org/integration/gaia-central/rev/05561840e94a
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #15997 from vingtetun/bug967277

Bug 967277 - [Contacts] Scrolling the contacts app causes reflow. r=arct...

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https://hg.mozilla.org/integration/gaia-central/rev/66f11f643b33
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 967277 - [Contacts] Scrolling the contacts app causes reflow. r=arcturus

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https://hg.mozilla.org/integration/gaia-central/rev/7a561fa6a665
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #15993 from jaoo/934916

Bug 934916 - [WAP push][CP] If a CP message is opened, newly coming CP or WAP push messages can still be opened but content is not displayed. r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/54f5838881cb
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Bug 934916 - [WAP push][CP] If a CP message is opened, newly coming CP or WAP push messages can still be opened but content is not displayed.
Bumping manifests a=b2g-bump