Update dependency ruffle-mirror to v2021.12.31

package.json

@@ -33,7 +33,7 @@
     "phoenix": "1.4.0",
     "portal-vue": "2.1.7",
     "punycode.js": "2.1.0",
-    "ruffle-mirror": "2021.4.11",
+    "ruffle-mirror": "2021.12.31",
     "v-click-outside": "2.1.5",
     "vue": "2.6.11",
     "vue-i18n": "7.8.1",

yarn.lock

@@ -8523,10 +8523,10 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-ruffle-mirror@2021.4.11:
-  version "2021.4.11"
-  resolved "https://registry.yarnpkg.com/ruffle-mirror/-/ruffle-mirror-2021.4.11.tgz#039940e0a68e6849259dbef6b54fb877ac4373e7"
-  integrity sha512-a3N2OkPCJauiHBloHoZgCn/mSUlybyb9Ps4ikPGgHUy8iXPy6qMqh62imvNDU07tBJc5Y0c5mRHBFJRgpMgEpA==
+ruffle-mirror@2021.12.31:
+  version "2021.12.31"
+  resolved "https://registry.yarnpkg.com/ruffle-mirror/-/ruffle-mirror-2021.12.31.tgz#d5ece0ff164d98468d84eb7cba3e69abff4c0687"
+  integrity sha512-kilyYstBQ+ZQY44IvUHhMt8Uh1yQJ8B+6GdzA1FzErgJy+5mnaLUBtU8JEG7cSrW3QLdFQLhRSeh8lLDINXgSA==
 
 run-async@^2.2.0:
   version "2.3.0"