Host.json: Added application insights option enableMetricsCustomDimensionOptimization. (SchemaStore#4770)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: Euan-McVie

src/schemas/json/host.json

@@ -781,6 +781,11 @@
                   "type": "boolean",
                   "default": true
                 },
+                "enableMetricsCustomDimensionOptimization": {
+                  "description": "Enables optimization that bypasses custom dimensions in Metrics telemetry.",
+                  "type": "boolean",
+                  "default": false
+                },
                 "httpAutoCollectionOptions": {
                   "type": "object",
                   "properties": {

src/test/host/host.v2.json

@@ -134,6 +134,7 @@
     "applicationInsights": {
       "enableDependencyTracking": true,
       "enableLiveMetrics": true,
+      "enableMetricsCustomDimensionOptimization": true,
       "enablePerformanceCountersCollection": true,
       "httpAutoCollectionOptions": {
         "enableHttpTriggerExtendedInfoCollection": true,