deps: update socks-proxy-agent requirement from ^6.0.0 to ^6.1.1

Updates the requirements on [socks-proxy-agent](https://github.com/TooTallNate/node-socks-proxy-agent) to permit the latest version.
- [Release notes](https://github.com/TooTallNate/node-socks-proxy-agent/releases)
- [Commits](TooTallNate/node-socks-proxy-agent@6.0.0...v6.1.1)

---
updated-dependencies:
- dependency-name: socks-proxy-agent
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -47,7 +47,7 @@
     "minipass-pipeline": "^1.2.4",
     "negotiator": "^0.6.3",
     "promise-retry": "^2.0.1",
-    "socks-proxy-agent": "^6.0.0",
+    "socks-proxy-agent": "^6.1.1",
     "ssri": "^8.0.0"
   },
   "devDependencies": {