Small fix for Docker RTM image

Dockerfile_RTM

@@ -1,7 +1,3 @@
 FROM polishfiltersteam/sflb_image:latest
 
-RUN apt-get install -y curl gpg --no-install-recommends
-RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg
-RUN echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null
-RUN apt-get update && apt-get install -y gh --no-install-recommends
-RUN gh --version
+RUN pip install PyGithub