Update dependency applicationinsights to v2.9.8 (#491)

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

Author: renovate[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "@hmcts/nodejs-healthcheck": "^1.8.0",
     "@hmcts/nodejs-logging": "^4.0.4",
     "@hmcts/properties-volume": "^0.0.14",
-    "applicationinsights": "2.9.7",
+    "applicationinsights": "2.9.8",
     "body-parser": "^1.20.1",
     "config": "^1.26.1",
     "connect-timeout": "^1.9.0",