Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/d5ef8781b85f
Author: Guillaume C. Marty <gmarty@users.noreply.github.com>
Desc: Merge pull request #23677 from gmarty/Bug-1062278-Fix-minimised-status-bar-width

Bug 1062278 - Fix minimised status bar width

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https://hg.mozilla.org/integration/gaia-central/rev/2f468c2a9843
Author: Guillaume Marty <edo999@gmail.com>
Desc: Bug 1062278 - Fix minimised status bar width
Bumping manifests a=b2g-bump