chore(api-extractor): change ae-incompatible-release-tags to warning

A lot of the output from Stencil omit doc block comments, which makes some of the types appear
public even if they are marked as beta. This in turn generates the error
`ae-incompatible-release-tags`, which would have been nice to have but it seems not to be fully
compatible with what Stencil generates.

api-extractor.json

@@ -400,8 +400,8 @@
         "addToApiReportFile": false
       },
       "ae-incompatible-release-tags": {
-        "logLevel": "error",
-        "addToApiReportFile": false
+        "logLevel": "warning",
+        "addToApiReportFile": true
       },
       "ae-internal-missing-underscore": {
         "logLevel": "error",