Bump the Safari Extension to v0.1.20

This bundles some fixes for PDF saving reliability on Safari.

apple/Sources/SafariExtension/Resources/_locales/en/messages.json

@@ -1,10 +1,10 @@
 {
-    "extension_name": {
-        "message": "Omnivore",
-        "description": "The display name for the extension."
-    },
-    "extension_description": {
-        "message": "Save links to your Omnivore library.",
-        "description": "Description of what the extension does."
-    }
+  "extension_name": {
+      "message": "Omnivore",
+      "description": "The display name for the extension."
+  },
+  "extension_description": {
+      "message": "Save links to your Omnivore library.",
+      "description": "Description of what the extension does."
+  }
 }

apple/Sources/SafariExtension/Resources/manifest.json

@@ -2,10 +2,10 @@
   "manifest_version": 2,
   "name": "Omnivore",
   "short_name": "Omnivore",
-  "version": "0.1.18",
+  "version": "0.1.20",
   "description": "Save articles to your Omnivore library",
   "author": "Omnivore Media, Inc",
-  "default_locale": "en_US",
+  "default_locale": "en",
   "developer": {
     "name": "Omnivore Media, Inc",
     "url": "https://omnivore.app/"

pkg/extension/src/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "process.env.EXTENSION_NAME",
   "short_name": "process.env.EXTENSION_NAME",
-  "version": "0.1.18",
+  "version": "0.1.20",
   "description": "Save articles to your Omnivore library",
   "author": "Omnivore Media, Inc",
   "default_locale": "en",