add change note

Author: erik-krogh

javascript/change-notes/2021-02-11-apollo-client.md

@@ -0,0 +1,8 @@
+lgtm,codescanning
+* URIs used in the Apollo-link libraries are now recognized as sinks for `js/request-forgery`.
+  Affected packages are
+    [apollo-link-http](https://www.npmjs.com/package/apollo-link-http), 
+    [apollo-client](https://www.npmjs.com/package/apollo-client), 
+    [apollo-boost](https://www.npmjs.com/package/apollo-boost), 
+    [apollo-client-preset](https://www.npmjs.com/package/apollo-client-preset), and
+    [apollo-link-ws](https://www.npmjs.com/package/apollo-link-ws)