Add translation update script

- Automatically filters out untranslated strings to reduce filesize
- Can update all translations in a single script rather than repeated commits

pnpm-lock.yaml

@@ -5,6 +5,7 @@ importers:
   .:
     specifiers:
       asar: ^3.2.0
+      dotenv: ^16.0.3
       eslint: ^8.23.0
       eslint-plugin-react: ^7.31.6
       mocha: ^10.0.0
@@ -12,6 +13,7 @@ importers:
       webpack-cli: ^4.10.0
     devDependencies:
       asar: 3.2.0
+      dotenv: 16.0.3
       eslint: 8.23.0
       eslint-plugin-react: 7.31.6_eslint@8.23.0
       mocha: 10.0.0
@@ -2232,6 +2234,11 @@ packages:
       esutils: 2.0.3
     dev: true
 
+  /dotenv/16.0.3:
+    resolution: {integrity: sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ==}
+    engines: {node: '>=12'}
+    dev: true
+
   /electron-to-chromium/1.4.185:
     resolution: {integrity: sha512-9kV/isoOGpKkBt04yYNaSWIBn3187Q5VZRtoReq8oz5NY/A4XmU6cAoqgQlDp7kKJCZMRjWZ8nsQyxfpFHvfyw==}
     dev: true