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

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https://hg.mozilla.org/integration/gaia-1_4/rev/67676e80cd5a
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #23373 from etiennesegonzac/bug-1007598-1.4

Bug 1007598 - We should never try to format the phone number on a removed call r=gsvelto a=bbajaj

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https://hg.mozilla.org/integration/gaia-1_4/rev/1f0093800846
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Bug 1007598 - We should never try to format the phone number on a removed call.
Or we'll trigger an infinite reflow loop.
Bumping manifests a=b2g-bump