Update lgtm to use extraction for whole solution

KoditkarVedant · KoditkarVedant · commit 598316c2f765 · 2022-08-20T13:58:11.000+05:30
diff --git a/lgtm.yaml b/lgtm.yaml
@@ -1,5 +1,6 @@
 extraction:
   csharp:
     index:
+      all_solutions: true
       dotnet:
         version: 6.0.400
