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

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https://hg.mozilla.org/integration/gaia-central/rev/c758727ab927
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #24248 from ddrmanxbxfr/bug_1056481

Bug 1056481 - Update reference to CDN to HTTPS, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/88314f2d7891
Author: Mathieu Rhéaume <mathieu@codingrhemes.com>
Desc: Bug 1056481 - Update reference to CDN to HTTPS

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "95f45aa5b9ddc94c990785a7d73bfe44b0082e56", 
+    "revision": "c758727ab927f089212050e0c304a2fefbb8f7f3", 
     "repo_path": "/integration/gaia-central"
 }