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

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https://hg.mozilla.org/integration/gaia-central/rev/f34af4cf05ef
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Merge pull request #27045 from stasm/1113023-macro-arg-length-check

Bug 1113023 - Remove the arity check for macros. r=gandalf

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https://hg.mozilla.org/integration/gaia-central/rev/375733d84b17
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Bug 1113023 - Remove the arity check for macros. r=gandalf

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "0daceedfdf7a80d272594f6edaf70548309f6750", 
+    "revision": "f34af4cf05ef953b87b8fd28e80d3ec254db0755", 
     "repo_path": "integration/gaia-central"
 }