Remove --break-system-packages flag for Ubuntu 22.04 compatibility

The --break-system-packages flag doesn't exist in pip version shipped
with Ubuntu 22.04. Since we're in a Docker container, we don't need
this flag - pip can install packages normally.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Dockerfile

@@ -87,7 +87,7 @@ ENV DENO_INSTALL="/root/.deno"
 ENV PATH="${DENO_INSTALL}/bin:${PATH}"
 
 # Update yt-dlp and install yt-dlp-ejs for external JavaScript support
-RUN pip install --upgrade yt-dlp yt-dlp-ejs --break-system-packages
+RUN pip install --upgrade yt-dlp yt-dlp-ejs
 WORKDIR /app
 # User 1000 already exist from base image
 COPY --chown=$UID:$GID --from=utils [ "/usr/local/bin/ffmpeg", "/usr/local/bin/ffmpeg" ]