fix missing requests lib in web deployment

fly.dockerfile

@@ -2,7 +2,7 @@ FROM python:3.11.3-slim
 
 LABEL maintainer="Zauberzeug GmbH <nicegui@zauberzeug.com>"
 
-RUN pip install itsdangerous prometheus_client isort docutils pandas plotly matplotlib
+RUN pip install itsdangerous prometheus_client isort docutils pandas plotly matplotlib requests
 
 WORKDIR /app
 

release.dockerfile

@@ -3,7 +3,7 @@ ARG VERSION
 
 LABEL maintainer="Zauberzeug GmbH <info@zauberzeug.com>"
 
-RUN python -m pip install nicegui==$VERSION itsdangerous isort docutils
+RUN python -m pip install nicegui==$VERSION itsdangerous isort docutils requests
 
 WORKDIR /app