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

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https://hg.mozilla.org/integration/gaia-central/rev/ea8c68de5506
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #23896 from azasypkin/bug-1063970-links-refresh

Bug 1063970 - [Messages][Refresh] Update styles of phone and url links located inside messages. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/1382c76197be
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1063970 - [Messages][Refresh] Update styles of phone and url links located inside messages. r=schung
Bumping manifests a=b2g-bump