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

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https://hg.mozilla.org/integration/gaia-central/rev/641b0a23c1ee
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #33222 from KevinGrandon/bug_1225047_contacts_gaia_menu

Bug 1225047 - Convert contacts_list_overlay to use the gaia-menu web component

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https://hg.mozilla.org/integration/gaia-central/rev/2199277d1195
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1225047 - Convert contacts_list_overlay to use the gaia-menu web component r=gsvelto

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "cba7e4b86361af31b153cfebaf99900e0b860f7b", 
+        "git_revision": "0a7619882362737562e79fc87226e08632d0c3d9", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "d02e42f3a17e4c37ff6c2b56e792e7d762732676", 
+    "revision": "641b0a23c1ee253d562840bb0c980242e1377643", 
     "repo_path": "integration/gaia-central"
 }