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

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https://hg.mozilla.org/integration/gaia-central/rev/3fffefef2940
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Merge pull request #26153 from Cwiiis/bug1099055-anchor-link-disables-rocketbar-collapsing

Bug 1099055 - Fix rocketbar collapse being disabled by anchor links. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/59ce7e78b890
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1099055 - Fix rocketbar collapse being disabled by anchor links. r=etienne

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "37d229d9c418a800dee1470f0d8af0518f964f46", 
+    "revision": "3fffefef2940616e20e450aee0ec6a95e295e799", 
     "repo_path": "integration/gaia-central"
 }