Running doctests also on emb-examples (#3693)

Given how these examples are generated, we intended to run and validate CI, ongoingly on emb-examples as well. As a result, this PR ensures that direct commits there, will also run them.

Author: chayim

.github/workflows/doctests.yml

@@ -4,6 +4,8 @@ on:
   push:
     tags-ignore:
       - '*'
+    branches:
+      - 'emb-examples'
   pull_request:
   workflow_dispatch: