devops: Allow pip to modify externally-managed python environment (system installation)

- Updated pip install commands to include the --break-system-packages
  flag, ensuring compatibility when working with system-managed Python
  environments (PEP 668).

- Note: The --break-system-packages option was introduced in 2023.
  Ensure pip is updated to a recent version before using this flag.

fixes [#15004](https://github.com/danchev/llama.cpp/issues/15004)

Author: danchev

.devops/cuda.Dockerfile

@@ -61,7 +61,7 @@ RUN apt-get update \
     python3 \
     python3-pip \
     && pip install --upgrade pip setuptools wheel \
-    && pip install -r requirements.txt \
+    && pip install --break-system-packages -r requirements.txt \
     && apt autoremove -y \
     && apt clean -y \
     && rm -rf /tmp/* /var/tmp/* \