Bumping gaia.json for 4 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/328479e08536
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #16362 from AndreiH/bug_965318

Bug 965318 - unxfail test_cost_control_reset_wifi on v1.3 when bug 96530...

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https://hg.mozilla.org/integration/gaia-1_3/rev/312b462484d7
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 965318 - unxfail test_cost_control_reset_wifi on v1.3 when bug 965305 is fixed

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https://hg.mozilla.org/integration/gaia-1_3/rev/ab97967c29db
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #16447 from AndreiH/bug_974048_v1.3

Bug 974048 - Improve waiting for wifi in wifi connection tests

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https://hg.mozilla.org/integration/gaia-1_3/rev/2ef8b37e74db
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 974048 - Improve waiting for wifi in wifi connection tests