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

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https://hg.mozilla.org/integration/gaia-central/rev/989b85b7cba0
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #22831 from ADLR-es/fix-bug-1050744

Bug 1050744 - [Contacts] Search results highlighting does not work properly with special chars like accents

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https://hg.mozilla.org/integration/gaia-central/rev/1fff71c80b0c
Author: Adrián de la Rosa <hola@adlr.es>
Desc: [Contacts] Search results highlighting does not work properly with special chars like accents

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "b6ce93c01bda41c1536d905d2b358e0227b962d2", 
+    "revision": "989b85b7cba0da1b648a43ec324d9731794cd3eb", 
     "repo_path": "/integration/gaia-central"
 }