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

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https://hg.mozilla.org/integration/gaia-2_1/rev/e05317dae17d
Author: Greg Weng <snowmantw@gmail.com>
Desc: Merge pull request #24730 from snowmantw/issue1069132-2.1

Bug 1069132 - [Lockscreen] Newer notifications are not actionable when m...

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https://hg.mozilla.org/integration/gaia-2_1/rev/b4ba2af3f0f0
Author: Greg Weng <snowmantw@gmail.com>
Desc: Bug 1069132 - [Lockscreen] Newer notifications are not actionable when music player widget is on with 320x480 devices
Bumping manifests a=b2g-bump