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

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https://hg.mozilla.org/integration/gaia-central/rev/54d111519f5a
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Merge pull request #25494 from stasm/1087973-stray-resolve

Bug 1087973 - Use Resolver.format to throw in tests. r=gandalf

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https://hg.mozilla.org/integration/gaia-central/rev/0aba3c525568
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Bug 1087973 - Use Resolver.format to throw in tests
Bumping manifests a=b2g-bump