remove reflex hard pin from template requirements.txt

we always want to test with head reflex version

.github/workflows/integration_tests.yml

@@ -179,6 +179,9 @@ jobs:
       - name: Init reflex-web from template
         run: poetry run reflex init --template https://github.com/masenf/rx_shout
         working-directory: ./rx-shout-from-template
+      - name: ignore reflex pin in requirements
+        run: sed -i -e '/reflex==/d' requirements.txt
+        working-directory: ./rx-shout-from-template
       - name: Install additional dependencies
         run: poetry run uv pip install -r requirements.txt
         working-directory: ./rx-shout-from-template