chore: update dependency loopback-connector-soap to v9

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

examples/soap-calculator/package.json

@@ -51,7 +51,7 @@
     "@loopback/rest": "^15.0.4",
     "@loopback/rest-explorer": "^8.0.4",
     "@loopback/service-proxy": "^8.0.3",
-    "loopback-connector-soap": "^8.0.20",
+    "loopback-connector-soap": "^9.0.0",
     "tslib": "^2.8.1"
   },
   "devDependencies": {