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

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https://hg.mozilla.org/integration/gaia-central/rev/58ffdc535d40
Author: Ben Francis <ben@tola.me.uk>
Desc: Merge pull request #23087 from benfrancis/1054088

Bug 1054088 - Make Google and Bing search use https by default r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/7ca5063f3c01
Author: Ben Francis <ben@tola.me.uk>
Desc: Bug 1054088 - Make Google and Bing search use https by default
Bumping manifests a=b2g-bump