Bump url-parse from 1.5.2 to 1.5.6 in /samples/sqlservices (#18473)

Bumps [url-parse](https://github.com/unshiftio/url-parse) from 1.5.2 to 1.5.6.
- [Release notes](https://github.com/unshiftio/url-parse/releases)
- [Commits](https://github.com/unshiftio/url-parse/compare/1.5.2...1.5.6)

---
updated-dependencies:
- dependency-name: url-parse
  dependency-type: direct:development
...

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samples/sqlservices/package.json

@@ -238,7 +238,7 @@
     "gulp-typescript": "^3.2.4",
     "tslint": "^3.14.0",
     "typescript": "^4.1.0-dev.20200824",
-    "url-parse": "^1.5.2",
+    "url-parse": "^1.5.6",
     "vsce": "^1.57.1",
     "@types/uuid": "^8.3.0"
   },