vscode: dotnet telemetry optout

.vscode/launch.json

@@ -24,5 +24,8 @@
             "request": "attach",
             "processId": "${command:pickProcess}"
         }
-    ,]
+    ],
+    "env": {
+        "DOTNET_CLI_TELEMETRY_OPTOUT": "1"
+    }
 }

.vscode/tasks.json

@@ -21,5 +21,10 @@
             ],
             "problemMatcher": "$msCompile"
         }
-    ]
+    ],
+    "options": {
+        "env": {
+            "DOTNET_CLI_TELEMETRY_OPTOUT": "1"
+        }
+    }
 }