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

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https://hg.mozilla.org/integration/gaia-2_0/rev/e45083c5545d
Author: Greg Weng <snowmantw@gmail.com>
Desc: Merge pull request #24783 from snowmantw/issue1072366-2.0

Bug 1072366 - [Lockscreen] Locking while the unlocking animation perform...

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https://hg.mozilla.org/integration/gaia-2_0/rev/966e46c8fe10
Author: Greg Weng <snowmantw@gmail.com>
Desc: Bug 1072366 - [Lockscreen] Locking while the unlocking animation performs lead to black screen
Bumping manifests a=b2g-bump