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

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https://hg.mozilla.org/integration/gaia-central/rev/8f2025b3e9df
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #31709 from mikehenrty/bug-1202256-gaia-toast

Bug 1202256 - Use gaia-toast web component for System Banner r=albertopq

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https://hg.mozilla.org/integration/gaia-central/rev/e06f88f31c07
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Bug 1202256 - Use gaia-toast web component for System Banner

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "99eca7b64133f142d3b020525d900b3a342178fa", 
+        "git_revision": "d2008e81f67a40a90c12bde111a091a16ec5272f", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "fc4f9845630765f17816f8ec0079a60276784a86", 
+    "revision": "8f2025b3e9df23e0c904f1903c659623ea0b9836", 
     "repo_path": "integration/gaia-central"
 }