fix(deps): update dependency proxy-agent to v6.5.0

Author: renovate[bot]

package.json

@@ -53,7 +53,7 @@
         "opn": "5.5.0",
         "porty": "3.1.1",
         "print-colors": "1.0.1",
-        "proxy-agent": "6.2.1",
+        "proxy-agent": "6.5.0",
         "serve-static": "1.15.0",
         "transformer-proxy": "0.3.5",
         "yargs": "17.4.1"