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

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https://hg.mozilla.org/integration/gaia-central/rev/a592ce431024
Author: Albert <alberto.crespellperez@telefonica.com>
Desc: Merge pull request #24978 from acperez/bug-1065274

Bug 1065274 - Update Argentina APN connection details for Movistar. r=jaoo

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https://hg.mozilla.org/integration/gaia-central/rev/7f0ee0230685
Author: Albert <alberto.crespellperez@telefonica.com>
Desc: Bug 1065274 - Update Argentina APN connection details for Movistar. r=jaoo
Bumping manifests a=b2g-bump