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

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https://hg.mozilla.org/integration/gaia-central/rev/60696663d480
Author: Arnau <arnau@arnaumarch.com>
Desc: Merge pull request #18973 from pacorampas/bb-date-tablet

Bug 1001391 - [Building Blocks] update date and time selectors to show larger font on selected items r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/93410b158698
Author: Paco Rampas <pacorampas@gmail.com>
Desc: Bug 1001391 - [Building Blocks] update date and time selectors to show larger font on selected items
Bumping manifests a=b2g-bump