fix: upgrade readable-stream from 4.5.2 to 4.7.0

Snyk has created this PR to upgrade readable-stream from 4.5.2 to 4.7.0.

See this package in npm:
readable-stream

See this project in Snyk:
https://app.snyk.io/org/enmand/project/42d91be0-fc71-4f8f-bafd-7f020b95443e?utm_source=github&utm_medium=referral&page=upgrade-pr

crates/dwn-rs-wasm/package.json

@@ -5,7 +5,7 @@
     "dependencies": {
         "@tbd54566975/dwn-sdk-js": "0.5.1",
         "@types/readable-stream": "4.0.15",
-        "readable-stream": "4.5.2"
+        "readable-stream": "4.7.0"
     },
     "devDependencies": {
         "@rollup/plugin-alias": "^5.1.0",