CodeQL: Add TSA options

.config/tsaoptions.json

@@ -0,0 +1,10 @@
+{
+    "instanceUrl": "https://devdiv.visualstudio.com/",
+    "template": "TFSDEVDIV",
+    "projectName": "DEVDIV",
+    "areaPath": "DevDiv\\VS for Mac\\Productivity\\XML",
+    "iterationPath": "DevDiv",
+    "notificationAliases": [ "vsmac-prod@microsoft.com" ],
+    "repositoryName": "MonoDevelop.Xml",
+    "codebaseName": "MonoDevelop.Xml"
+}

build.yml

@@ -10,6 +10,8 @@ pool:
 variables:
 - name: Codeql.Enabled
   value: true
+- name: Codeql.TSAEnabled
+  value: true
 
 steps: