chore(deps) update react-native-svg to latest

Fixes icons not rendering on iOS 11.

ios/Podfile.lock

     - RNSound/Core (= 0.11.0)
   - RNSound/Core (0.11.0):
     - React
-  - RNSVG (10.1.0):
+  - RNSVG (12.1.0):
     - React
   - RNWatch (0.4.3):
     - React
   RNDeviceInfo: 57bb2806fb7bd982a1434e9f0b4e6a6ab1f6702e
   RNGoogleSignin: 39336070b35fc4cea6a98cf111e00480317be0ae
   RNSound: c980916b596cc15c8dcd2f6ecd3b13c4881dbe20
-  RNSVG: 069864be08c9fe065a2cf7e63656a34c78653c99
+  RNSVG: ce9d996113475209013317e48b05c21ee988d42e
   RNWatch: a5320c959c75e72845c07985f3e935e58998f1d3
   Yoga: 96b469c5e81ff51b917b92e8c3390642d4ded30c
 

package-lock.json

       }
     },
     "css-tree": {
-      "version": "1.0.0-alpha.39",
-      "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-1.0.0-alpha.39.tgz",
-      "integrity": "sha512-7UvkEYgBAHRG9Nt980lYxjsTrCyHFN53ky3wVsDkiMdVqylqRt+Zc+jm5qw7/qyOvN2dHSYtX0e4MbCCExSvnA==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-1.1.2.tgz",
+      "integrity": "sha512-wCoWush5Aeo48GLhfHPbmvZs59Z+M7k5+B1xDnXbdWNcEF423DoFdqSWE0PM5aNk5nI5cp1q7ms36zGApY/sKQ==",
       "requires": {
-        "mdn-data": "2.0.6",
+        "mdn-data": "2.0.14",
         "source-map": "^0.6.1"
       },
       "dependencies": {
         "mdn-data": {
-          "version": "2.0.6",
-          "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.6.tgz",
-          "integrity": "sha512-rQvjv71olwNHgiTbfPZFkJtjNMciWgswYeciZhtvWLO8bmX3TnhyA62I6sTWOyZssWHJJjY6/KiWwqQsWWsqOA=="
+          "version": "2.0.14",
+          "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.14.tgz",
+          "integrity": "sha512-dn6wd0uw5GsdswPFfsgMp5NSB0/aDe6fK94YJV/AJDYXL6HVLWBsxeq7js7Ad+mU2K9LAlwpk6kN2D5mwCPVow=="
         },
         "source-map": {
           "version": "0.6.1",
       "integrity": "sha512-Ls9qiNZzW/OLFoI25wfjjAcrf2DZ975hn2vr6U9gyuxi2nooVbzQeFoQS5vQcbCt9QX5NY8ASEEAtlLdIa6KVg=="
     },
     "react-native-svg": {
-      "version": "10.1.0",
-      "resolved": "https://registry.npmjs.org/react-native-svg/-/react-native-svg-10.1.0.tgz",
-      "integrity": "sha512-mgo6CshQIQrDDBVUPqJK/iOsJEdlagk7N4q8fyo1sqCiSUP2efpt+AQ1IRXZtHXut210/7TliAamvM59NV0Bzg==",
+      "version": "12.1.0",
+      "resolved": "https://registry.npmjs.org/react-native-svg/-/react-native-svg-12.1.0.tgz",
+      "integrity": "sha512-1g9qBRci7man8QsHoXn6tP3DhCDiypGgc6+AOWq+Sy+PmP6yiyf8VmvKuoqrPam/tf5x+ZaBT2KI0gl7bptZ7w==",
       "requires": {
         "css-select": "^2.1.0",
         "css-tree": "^1.0.0-alpha.39"

package.json

     "react-native-linear-gradient": "2.5.6",
     "react-native-sound": "github:jitsi/react-native-sound#3fe5480fce935e888d5089d94a191c7c7e3aa190",
     "react-native-splash-screen": "3.2.0",
-    "react-native-svg": "10.1.0",
+    "react-native-svg": "12.1.0",
     "react-native-svg-transformer": "0.14.3",
     "react-native-url-polyfill": "1.2.0",
     "react-native-watch-connectivity": "0.4.3",