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

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https://hg.mozilla.org/integration/gaia-central/rev/ede73c31aa55
Author: John Hu <johu@mozilla.com>
Desc: Merge pull request #27009 from huchengtw-moz/bug-1113592-blur-before-focus

Bug 1113592 - [B2G][Stingray] blur activeElement before focus window, r=lchang

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https://hg.mozilla.org/integration/gaia-central/rev/8264273dbd77
Author: John Hu <johu@mozilla.com>
Desc: Bug 1113592 - [B2G][Stingray] blur activeElement before focus window
Bumping manifests a=b2g-bump