fix: correct version format in package.json and package-lock.json

Author: manu4543

package-lock.json

@@ -1,6 +1,6 @@
 {
     "name": "@imagekit/javascript",
-    "version": "5.0.0.beta.1",
+    "version": "5.0.0-beta.1",
     "description": "ImageKit Javascript SDK",
     "main": "dist/imagekit.cjs.js",
     "module": "dist/imagekit.esm.js",
@@ -72,4 +72,4 @@
         "url": "https://github.com/imagekit-developer/imagekit-javascript/issues"
     },
     "homepage": "https://github.com/imagekit-developer/imagekit-javascript#readme"
-}
+}