Update package.json

Use released beam version 2.48.0.

package.json

diff --git a/package.json b/package.json
index 7fd3686..e614255 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "apache-beam": "^2.48.1",
+    "apache-beam": "^2.48.0",
     "yargs": "^17.6.2"
   },
   "devDependencies": {