Use system Python packages; Break system for other packages

docker/ubuntu_24_04_base

@@ -35,8 +35,11 @@ RUN export DEBIAN_FRONTEND="noninteractive" && \
 	pkg-config \
 	pybind11-dev \
 	python3-dev \
+	python3-h5py \
 	python3-numpy \
 	python3-pip \
+	python3-sphinx \
+	python3-sphinx-rtd-theme \
 	wcslib-dev \
 	wget \
 	&& \
@@ -74,11 +77,8 @@ RUN wget -nv -O /WSRT_Measures.ztar ftp://ftp.astron.nl/outgoing/Measures/WSRT_M
 	&& tar xfz /WSRT_Measures.ztar \
 	&& rm /WSRT_Measures.ztar
 # Install pip dependencies
-RUN pip3 install \
+RUN pip3 install --break-system-packages \
 	autosemver==0.5.5 \
 	gcovr \
-	h5py \
 	jsonschema2rst==0.1.0 \
-	sphinx \
-	sphinx-rtd-theme \
 	;