fix: package.json & yarn.lock to reduce vulnerabilities (#712)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-I18NEXT-1065979
- https://snyk.io/vuln/SNYK-JS-I18NEXT-575536
- https://snyk.io/vuln/SNYK-JS-I18NEXT-585930

package.json

@@ -100,7 +100,7 @@
     "file-type": "^12.4.0",
     "fs-extra": "^8.1.0",
     "github-api": "^3.2.2",
-    "i18next": "^19.3.2",
+    "i18next": "^19.8.5",
     "i18next-electron-language-detector": "^0.0.10",
     "i18next-fs-backend": "^1.0.1",
     "json5": "^2.1.3",

yarn.lock

@@ -1007,6 +1007,13 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/runtime@^7.12.0":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.13.10.tgz#47d42a57b6095f4468da440388fdbad8bebf0d7d"
+  integrity sha512-4QPkjJq6Ns3V/RgpEahRk+AGfL0eO6RHHtTWoNNr5mO49G6B5+X6d6THgWEAvTrznU5xYpbAlVKRYcsCgh/Akw==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
 "@babel/runtime@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.2.0.tgz#b03e42eeddf5898e00646e4c840fa07ba8dcad7f"
@@ -6694,12 +6701,12 @@ i18next@*:
   dependencies:
     "@babel/runtime" "^7.3.1"
 
-i18next@^19.3.2:
-  version "19.3.2"
-  resolved "https://registry.yarnpkg.com/i18next/-/i18next-19.3.2.tgz#a17c3c8bb0dd2d8c4a8963429df99730275b3282"
-  integrity sha512-QDBQ8MqFWi4+L9OQjjZEKVyg9uSTy3NTU3Ri53QHe7nxtV+KD4PyLB8Kxu58gr6b9y5l8cU3mCiNHVeoxPMzAQ==
+i18next@^19.8.5:
+  version "19.9.2"
+  resolved "https://registry.yarnpkg.com/i18next/-/i18next-19.9.2.tgz#ea5a124416e3c5ab85fddca2c8e3c3669a8da397"
+  integrity sha512-0i6cuo6ER6usEOtKajUUDj92zlG+KArFia0857xxiEHAQcUwh/RtOQocui1LPJwunSYT574Pk64aNva1kwtxZg==
   dependencies:
-    "@babel/runtime" "^7.3.1"
+    "@babel/runtime" "^7.12.0"
 
 icon-gen@^2.0.0:
   version "2.0.0"