Bump version string to 3.0.0-beta

unfurler/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "mempool-unfurl",
-  "version": "3.0.0-dev",
+  "version": "3.0.0-beta",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mempool-unfurl",
-      "version": "3.0.0-dev",
+      "version": "3.0.0-beta",
       "dependencies": {
         "@types/node": "^16.11.41",
         "ejs": "^3.1.10",

unfurler/package.json

@@ -1,6 +1,6 @@
 {
   "name": "mempool-unfurl",
-  "version": "3.0.0-dev",
+  "version": "3.0.0-beta",
   "description": "Renderer for mempool open graph link preview images",
   "repository": {
     "type": "git",