chore: bump version to 0.3.1 for Firefox re-signing

https://claude.ai/code/session_01Dvgwe7XMoSxnWXkih8p1Cw

manifest.firefox.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "Silent Send",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Intercepts personal info and substitutes it with user-defined replacements before sending to AI services.",
   "browser_specific_settings": {
     "gecko": {

manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "Silent Send",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Intercepts personal info and substitutes it with user-defined replacements before sending to AI services.",
   "permissions": [
     "storage",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "silent-send",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "private": true,
   "license": "MIT",
   "description": "Browser extension that substitutes personal data before sending to AI services",