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

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https://hg.mozilla.org/integration/gaia-central/rev/b22a8f312aae
Author: Tzu-Lin Huang <dwi019@gmail.com>
Desc: Merge pull request #26507 from dwi2/bug1094066

Bug 1094066 - APP-CANCELLED key should handled by app first then fall back to system app

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https://hg.mozilla.org/integration/gaia-central/rev/8d540e356f9b
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1094066 - APP-CANCELLED key should handled by app first then fall back to system app

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https://hg.mozilla.org/integration/gaia-central/rev/4c79833203dc
Author: Tzu-Lin Huang <dwi019@gmail.com>
Desc: Merge pull request #26518 from dwi2/bug1105629

Bug 1105629 - [Stingray][Home] Use correct icon of decks in Smart Home

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https://hg.mozilla.org/integration/gaia-central/rev/e324704f86b1
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1105629 - [Stingray][Home] Use correct icon of decks in Smart Home
Bumping manifests a=b2g-bump